Difference between revisions of "Riesel prime 2 9"

Latest revision as of 17:40, 25 September 2024

Reserved! This sequence is currently reserved by: Dmitry Domanov

Current data

`k` , `b` :	9 , 2
Type :	3
Count :	48
Nash :	1674
Max `n` :	7,800,000
Date :	2024-08-10
Reserved :	Dmitry DomanovDmitry Domanov/Reserved

1^[1], 3^[2], 7^[3], 13, 15^[4], 21^[5], 43^[6], 63^[7], 99^[8], 109^[9], 159^[10], 211^[11], 309^[12], 343^[13], 415, 469, 781, 871, 939^[14], 1551^[15], 3115, 3349, 5589^[16], 5815, 5893, 7939, 8007^[17], 11547^[18], 12495^[19], 22555, 23647, 35647, 83415^[20], 103059^[21], 184999, 275859^[22], 384243^[23], 484975, 503893, 828709, 1010277^[24], 1419855^[25], 1481821, 2060941, 3259381, 4005979, 4683555^[26], 7479919

Remarks :

The sequence A002236 in OEIS
See also Williams 9•8ⁿ-1

Notes

History

2024-08-10: Checked to n = 7800000, Dmitry Domanov
2023-06-04: Found n = 7479919, Dmitry Domanov
2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2020-10-29: Checked to n = 6500000, Dmitry Domanov
2020-08-23: Checked to n = 6350000, Dmitry Domanov
2020-03-11: Checked to n = 6000000, Dmitry Domanov
2015-11-03: Checked to n = 6000000, Dmitry Domanov
2015-05-06: Checked to n = 5700000, Dmitry Domanov
2014-12-24: Checked to n = 5220000, Dmitry Domanov
2014-09-29: Reserved by Dmitry Domanov for n=5000000-6000000
2013-01-07: Checked to n = 5000000, Peter Benson
2012-12-24: Found n = 4683555, Peter Benson
2012-11-17: Found n = 4005979, Peter Benson
2012-11-17: Reserved by Peter Benson from n=4000000
2012-03-17: Checked to n = 4000000, Peter Benson
2011-11-27: Found n = 3259381, Peter Benson
2011-11-01: Reserved by Peter Benson from n=3000000
2011-06-02: Checked to n = 3000000, Peter Benson
2011-04-05: Reserved by Peter Benson
2010-12-23: Checked n = 2105192? - 2106000, Predrag Minovic
2010-12-23: Checked n = 1840000 - 1968000, Larry Soule
2010-10-31: Checked to n = 1840000, Predrag Minovic
2010-09-05: Checked to n = 1814000, Predrag Minovic
2010-07-18: Checked to n = 1610000, Predrag Minovic
2010-06-05: Checked to n = 1570000, Predrag Minovic
2010-04-11: Checked to n = 1540000, Predrag Minovic
2010-02-11: Checked to n = 1530000, Predrag Minovic
2009-12-05: Checked to n = 1520000, Predrag Minovic
2009-11-24: Found n = 1419855, Predrag Minovic
2009-11-20: Checked to n = 1415000, Predrag Minovic
2009-11-03: Checked n = 1350000 - 1375000, 1400000 - 1414000, Adam Sutton
2009-11-03: Checked n = 1221088? - 1350000, 1375000 - 1400000, Predrag Minovic
2009-01-18: Checked n = 3499107 - 3563355, Peter Benson
2009-01-10: Checked n = 1330000? - 1430000?, Adam Sutton
2009-01-09: Checked n = 1430023 - 1454791, 1455171 - 1518147, 1652067 - 1810159, 1967643 - 2105191, 2366487 - 2406243, Peter Benson
2009-01-09: Checked n = 950000 - 1067108, 1140015 - 1221087, Peter Benson
2008-08-27: Found n = 2060941, Peter Benson
2008-04-12: Found n = 1481821, Peter Benson
2008-02-29: Checked n = 850000 - 1200000, Adam Sutton
2008-02-01: Reserved by Adam Sutton for n>1000000
2007-11-15: Found n = 1010277, Peter Benson
2007-04-07: Checked to n = 850000, Jeffrey Sax
2005-02-03: Found n = 828709, Jeffrey Sax
2005-01-16: Checked to n = 801000, Jeffrey Sax
2004-11-28: Checked to n = 744000, Jeffrey Sax
2004-07-24: Found n = 503893, Jeffrey Sax
2004-07-14: Found n = 484975, Jeffrey Sax
2004-06-13: Found n = 384243, Jeffrey Sax
2004-05-23: Found n = 275859, Jeffrey Sax
2000-04-03: Found n = 184999, Ingo Buechel, Wilfrid Keller
1999-02-14: Found n = 103059, Ingo Buechel, Wilfrid Keller
1999-01-15: Found n = 83415, Ingo Buechel, Wilfrid Keller
1998-06-16: Found n = 23647, Wilfrid Keller
1998-06-16: Found n = 22555, Wilfrid Keller
1989: Found n = 35647, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
1981: Found n = 12495, Anders Björn, Hans Riesel
1980: Found n = 8007, Jurgen Buhl, Walter Borho
1980: Found n = 7939, Jurgen Buhl, Walter Borho
1980: Found n = 5893, Jurgen Buhl, Walter Borho
1980: Found n = 5815, Jurgen Buhl, Walter Borho
1980: Found n = 5589, Jurgen Buhl, Walter Borho
1980: Found n = 3349, Jurgen Buhl, Walter Borho
1979: Found n = 11547, Jurgen Buhl, Walter Borho

[1] Twin n=1

[2] Twin n=3, Williams 9•8¹-1

[3] Twin n=7

[4] Williams 9•8⁵-1

[5] Williams 9•8⁷-1

[6] Twin n=43

[7] Twin n=63, Woodall 9•128⁹-1, Williams 9•8²¹-1

[8] Woodall 9•2048⁹-1, Williams 9•8³³-1

[9] Woodall 18•64¹⁸-1

[10] Williams 9•8⁵³-1

[11] Twin n=211

[12] Williams 9•8¹⁰³-1

[13] Woodall 18•524288¹⁸-1

[14] Woodall 72•8192⁷²-1, Williams 9•8³¹³-1

[15] Williams 9•8⁵¹⁷-1

[16] Williams 9•8¹⁸⁶³-1

[17] Williams 9•8²⁶⁶⁹-1

[18] Williams 9•8³⁸⁴⁹-1

[19] Williams 9•8⁴¹⁶⁵-1

[20] Williams 9•8²⁷⁸⁰⁵-1

[21] Williams 9•8³⁴³⁵³-1

[22] Williams 9•8⁹¹⁹⁵³-1

[23] Williams 9•8¹²⁸⁰⁸¹-1

[24] Williams 9•8³³⁶⁷⁵⁹-1

[25] Williams 9•8⁴⁷³²⁸⁵-1

[26] Williams 9•8^1561185-1

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

[17]

[18]

[19]

[20]

[21]

[22]

[23]

[24]

[25]

[26]

@@ Line 2: / Line 2: @@
 |Rk=9
 |Rb=2
-|RCount=47
+|RCount=48
 |RNash=1674
-|RMaxn=6500000
+|RMaxn=7800000
-|RDate=2021-03-21
+|RDate=2024-08-10
 |RReserved=Dmitry Domanov
 |RNlist=
 ;T:T
-;T:T
+;T:T;C:{{NWi|PM|8|1}}
 ;T:T
+;C:{{NWi|PM|8|5}}
+;C:{{NWi|PM|8|7}}
 ;T:T
-;T:T
+;T:T;C:{{NWo|128|9}}, {{NWi|PM|8|21}}
-;C:{{NWo|2048|9}}
+;C:{{NWo|2048|9}}, {{NWi|PM|8|33}}
+;C:{{NWo|64|18}}
+;C:{{NWi|PM|8|53}}
 ;T:T
+;C:{{NWi|PM|8|103}}
+;C:{{NWo|524288|18}}
+;C:{{NWo|8192|72}}, {{NWi|PM|8|313}}
+;C:{{NWi|PM|8|517}}
 ;56554
-;38328
+;38328;C:{{NWi|PM|8|1863}}
 ;38094
 ;37998
 ;32253
-;32193
+;32193;C:{{NWi|PM|8|2669}}
-;28082
+;28082;C:{{NWi|PM|8|3849}}
-;27673
+;27673;C:{{NWi|PM|8|4165}}
 ;21698
 ;20911
 ;17045
-;6812
+;6812;C:{{NWi|PM|8|27805}}
-;4200
+;4200;C:{{NWi|PM|8|34353}}
 ;633
-;70461
+;70461;C:{{NWi|PM|8|91953}}
-;70698
+;70698;C:{{NWi|PM|8|128081}}
 ;70950
 ;71030
 ;73353
-1010277;83008
+1010277;83008;C:{{NWi|PM|8|336759}}
-1419855;90980
+1419855;90980;C:{{NWi|PM|8|473285}}
 1481821;84649
 2060941;85462
 3259381;103391
 4005979;110104
-4683555;110478
+4683555;110478;C:{{NWi|PM|8|1561185}}
-|RRemarks=The {{OEIS|l|A002236}}
+7479919;136126
+|RRemarks=The {{OEIS|l|A002236}}<br>See also {{NWi|PM|8|n}}
 }}
 ==History==
+{{HistC|2024-08-10|7800000|Dmitry Domanov|664817}}
+{{HistF|2023-06-04|7479919|Dmitry Domanov|631800}}
 {{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included
 {{HistC|2020-10-29|6500000|Dmitry Domanov|561492}}
@@ Line 75: / Line 78: @@
 {{HistC|2011-06-02|3000000|Peter Benson|262867}}
 {{HistR|2011-04-05|Peter Benson|257699}}
-{{HistC|2010-12-23|2106000|Predrag Minovic|243040}}
+{{HistC|2010-12-23|2105192?-2106000|Predrag Minovic|243040}}
+{{HistC|2010-12-23|1840000-1968000|Larry Soule|243040}}
 {{HistC|2010-10-31|1840000|Predrag Minovic|235044}}
 {{HistC|2010-09-05|1814000|Predrag Minovic|228523}}
@@ Line 83: / Line 87: @@
 {{HistC|2010-02-11|1530000|Predrag Minovic|205283}}
 {{HistC|2009-12-05|1520000|Predrag Minovic|197850}}
-{{HistF|2009-11-24|1419855|Predrag Minovic}}
+{{HistF|2009-11-24|1419855|Predrag Minovic|196870}}
 {{HistC|2009-11-20|1415000|Predrag Minovic|196466}}
-{{HistC|2009-11-03|1414000|Predrag Minovic|194611}}
+{{HistC|2009-11-03|1350000-1375000, 1400000-1414000|Adam Sutton|194611}}
-{{HistC|2009-01-10|1330000-1430000|Adam Sutton|157929}}
+{{HistC|2009-11-03|1221088?-1350000, 1375000-1400000|Predrag Minovic|194611}}
-{{HistF|2008-08-27|2060941|Peter Benson}}
+{{HistC|2009-01-18|3499107-3563355|Peter Benson|159287}}
+{{HistC|2009-01-10|1330000?-1430000?|Adam Sutton|157929}}
+{{HistC|2009-01-09|1430023-1454791, 1455171-1518147, 1652067-1810159, 1967643-2105191, 2366487-2406243|Peter Benson|157761}}
+{{HistC|2009-01-09|950000-1067108, 1140015-1221087|Peter Benson|157761}}
+{{HistF|2008-08-27|2060941|Peter Benson|140167}}
 {{HistF|2008-04-12|1481821|Peter Benson}}
-{{HistC|2008-02-29|1200000|Adam Sutton|127358}}, {{Vn}}=850000-1200000 done
+{{HistC|2008-02-29|850000-1200000|Adam Sutton|127358}}
-{{HistR|2008-02-01|Adam Sutton|124507}}
+{{HistR|2008-02-01|Adam Sutton|124507}} for {{Vn}}>1000000
-{{HistC|2007-12-30|800000|Jeffrey Sax|121755}}
+{{HistF|2007-11-15|1010277|Peter Benson|118533}}
-{{HistF|2007-11-15|1010277|Peter Benson}}
+{{HistC|2007-04-07|850000|Jeffrey Sax|103249}}
-{{HistF|2005-02-03|828709|Jeffrey Sax}}
+{{HistF|2005-02-03|828709|Jeffrey Sax|49282}}
+{{HistC|2005-01-16|801000|Jeffrey Sax|48145}}
+{{HistC|2004-11-28|744000|Jeffrey Sax|45397}}
 {{HistF|2004-07-24|503893|Jeffrey Sax}}
 {{HistF|2004-07-14|484975|Jeffrey Sax}}

Difference between revisions of "Riesel prime 2 9"

Latest revision as of 17:40, 25 September 2024

Current data

Notes

History

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