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Riesel primes of the form 9•2n-1

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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

  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•81561185-1

History

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