Riesel prime 2 21

Reserved! This sequence is currently reserved by: William Byerly

Current data

k , b : 21 , 2 Type : 3 Count : 45 Nash : 2103 Max n : 3,500,000 Date : 2021-10-14 Reserved : William ByerlyWilliam Byerly/Reserved

1, 2, 3, 7, 10, 13, 18, 27, 37, 51, 74, 157, 271, 458, 530, 891, 1723, 1793, 1849, 1986, 2191, 2869, 4993, 7777, 11730, 15313, 29171, 35899, 36227, 71570, 199219, 233914, 297499, 332523, 348547, 538657, 986130, 999599, 1170083, 1182083, 1452771, 1872923, 2160479, 2959789, 6468257

Remarks :

The sequence A002238 in OEIS

History

• 2021-10-22: Checked n = 6000000 - 7000000, Ryan Propper
• 2021-10-14: Found n = 6468257, Ryan Propper
• 2021-09-27: Reserved by William Byerly
• 2021-07-24: Checked to n = 3500000, Gary Barnes, released, double-check for n=1000000-2890000, results included
• 2021-06-27: Found n = 2959789, Gary Barnes
• 2021-05-10: Reserved by Gary Barnes
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2015-03-01: Checked to n = 2890000, Predrag Minovic
• 2014-10-05: Checked to n = 2865000, Predrag Minovic
• 2013-09-08: Checked to n = 2500000, Predrag Minovic
• 2013-07-09: Checked to n = 2450000, Predrag Minovic
• 2013-01-04: Checked to n = 2220000, Predrag Minovic
• 2012-11-06: Found n = 2160479, Predrag Minovic
• 2012-07-02: Checked to n = 2040000, Predrag Minovic
• 2012-05-04: Checked to n = 1945000, Predrag Minovic
• 2012-03-04: Checked to n = 1910000, Predrag Minovic
• 2012-01-11: Found n = 1872923, Predrag Minovic
• 2011-12-31: Checked to n = 1860000, Predrag Minovic
• 2011-06-04: Checked to n = 1750000, Predrag Minovic
• 2011-04-12: Checked to n = 1590000, Predrag Minovic
• 2011-03-05: Checked to n = 1575000, Predrag Minovic
• 2011-01-13: Checked to n = 1525000, Predrag Minovic
• 2010-10-31: Checked to n = 1500000, Predrag Minovic
• 2010-09-05: Checked to n = 1470000, Predrag Minovic
• 2010-07-18: Checked to n = 1400000, Predrag Minovic
• 2010-05-04: Checked to n = 1320000, Predrag Minovic
• 2010-04-11: Checked to n = 1290000, Predrag Minovic
• 2010-02-11: Checked to n = 1230000, Predrag Minovic
• 2009-08-29: Checked to n = 1200000, Predrag Minovic
• 2009-08-09: Checked to n = 1185000, Predrag Minovic
• 2009-08-02: Found n = 1182083, Predrag Minovic
• 2009-05-31: Checked to n = 1090000, Predrag Minovic
• 2009-02-13: Checked to n = 1075000, Predrag Minovic
• 2008-04-06: Found n = 1452771, Peter Benson
• 2008-03-16: Found n = 1170083, Peter Benson
• 2005-07-14: Found n = 986130, Predrag Minovic
• 2005-03-21: Found n = 999599, Predrag Minovic
• 2004-08-11: Found n = 538657, Predrag Minovic
• 2004-05-07: Found n = 348547, Steven Harvey
• 2004-05-05: Found n = 332523, Steven Harvey
• 2004-04-30: Found n = 297499, Steven Harvey
• 2004-04-17: Found n = 233914, Steven Harvey
• 2004-04-03: Found n = 199219, Steven Harvey
• 1999-07-04: Found n = 71570, Michael J. Graef
• 1999-05-29: Found n = 36227, Michael J. Graef
• 1999-05-29: Found n = 35899, Michael J. Graef
• 1998-08-11: Found n = 29171, Wilfrid Keller
• 1994: Found n = 7777, Harvey Dubner