Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Difference between revisions of "Woodall prime 4"

From Prime-Wiki
Jump to: navigation, search
(links at Woodall page)
(add history)
 
(One intermediate revision by the same user not shown)
Line 2: Line 2:
 
|WoBase=4
 
|WoBase=4
 
|WoMaxn=2000000
 
|WoMaxn=2000000
−
|WoDate=2015
+
|WoDate=2024-10-25
 
|WoReserved=
 
|WoReserved=
 
|WoNlist=
 
|WoNlist=
Line 29: Line 29:
 
}}
 
}}
 
==History==
 
==History==
 +
{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
 
{{HistC|2015-05-01|1000000-2000000|Serge Batalov}}
 
{{HistC|2015-05-01|1000000-2000000|Serge Batalov}}
 
{{HistF|2015-05-01|1993191|Serge Batalov}}
 
{{HistF|2015-05-01|1993191|Serge Batalov}}
Line 35: Line 36:
 
{{HistC|2012-10-10|25000|Thomas Ritschel}}
 
{{HistC|2012-10-10|25000|Thomas Ritschel}}
 
{{HistC|2011-09-09|532007-608749|Steven Harvey}}
 
{{HistC|2011-09-09|532007-608749|Steven Harvey}}
 +
{{HistC|2010-11-01|3-4000|Steven Harvey}}, double-check
 
{{HistC|2009-10-09|282500-317900|Steven Harvey}}
 
{{HistC|2009-10-09|282500-317900|Steven Harvey}}
 
{{HistF|2009-09-11|293912|Steven Harvey}}
 
{{HistF|2009-09-11|293912|Steven Harvey}}

Latest revision as of 05:27, 31 October 2024

Current data

ASCII format : n*4^n-1
Base : 4
Count : 21
Max n : 2,000,000
Date : 2024-10-25
1[1], 2[2], 3[3], 5[4], 8[5], 14[6], 23[7], 63[8], 107[9], 132[10], 428[11], 530[12], 1137[13], 1973[14], 2000[15], 7064[16], 20747[17], 79574[18], 113570[19], 293912[20], 1993191[21]
Remarks :
The sequence A086661 in OEIS
Sequence is the same as Near Woodall (n+1)*2^n-1 for odd n.

Notes

  1. ↑ Twin n=1, Mersenne 22-1, Near Woodall 2•21-1, Near Woodall 1•22-1
  2. ↑ Mersenne 25-1, Near Woodall 4•23-1
  3. ↑ Twin n=3, Riesel 3•26-1, Near Woodall 6•25-1
  4. ↑ Riesel 5•210-1, Near Woodall 10•29-1
  5. ↑ Mersenne 219-1, Near Woodall 16•215-1
  6. ↑ Riesel 7•229-1, Near Woodall 28•227-1
  7. ↑ Riesel 23•246-1, Near Woodall 46•245-1
  8. ↑ Riesel 63•2126-1, Near Woodall 126•2125-1
  9. ↑ Riesel 107•2214-1, Near Woodall 214•2213-1
  10. ↑ Riesel 33•2266-1, Near Woodall 264•2263-1
  11. ↑ Riesel 107•2858-1, Near Woodall 856•2855-1
  12. ↑ Riesel 265•21061-1, Near Woodall 1060•21059-1
  13. ↑ Riesel 1137•22274-1, Near Woodall 2274•22273-1
  14. ↑ Riesel 1973•23946-1, Near Woodall 3946•23945-1
  15. ↑ Riesel 125•24004-1, Near Woodall 4000•23999-1
  16. ↑ Riesel 883•214131-1, Near Woodall 14128•214127-1
  17. ↑ Riesel 20747•241494-1, Near Woodall 41494•241493-1
  18. ↑ Riesel 39787•2159149-1, Near Woodall 159148•2159147-1
  19. ↑ Riesel 56785•2227141-1, Near Woodall 227140•2227139-1
  20. ↑ Riesel 36739•2587827-1, Near Woodall 587824•2587823-1
  21. ↑ Riesel 1993191•23986382-1, Near Woodall 3986382•23986381-1

History

Retrieved from "https://www.rieselprime.de/z/index.php?title=Woodall_prime_4&oldid=36143"