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Near Generalized Cullen primes of the form (n-1)•2n+1

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Current data

Base : 2
Count : 25
Max n : 2,000,000
Date : 2014-11-12
2[1], 3[2], 7[3], 27[4], 51[5], 55[6], 81[7], 1471[8], 1483[9], 8668[10], 10885[11], 20803[12], 32605[13], 36391[14], 57004[15], 61627[16], 88651[17], 89731[18], 133928[19], 153428[20], 338485[21], 373347[22], 460575[23], 534507[24], 660988[25]

Notes

  1. ↑ Proth 22+1
  2. ↑ Proth 24+1
  3. ↑ Proth 3•28+1
  4. ↑ Proth 13•228+1
  5. ↑ Proth 25•252+1
  6. ↑ Proth 27•256+1
  7. ↑ Proth 5•285+1
  8. ↑ Proth 735•21472+1
  9. ↑ Proth 741•21484+1
  10. ↑ Proth 8667•28668+1
  11. ↑ Proth 2721•210887+1
  12. ↑ Proth 10401•220804+1
  13. ↑ Proth 8151•232607+1
  14. ↑ Proth 18195•236392+1
  15. ↑ Proth 57003•257004+1
  16. ↑ Proth 30813•261628+1
  17. ↑ Proth 44325•288652+1
  18. ↑ Proth 44865•289732+1
  19. ↑ Proth 133927•2133928+1
  20. ↑ Proth 153427•2153428+1
  21. ↑ Proth 84621•2338487+1
  22. ↑ Proth 186673•2373348+1
  23. ↑ Proth 230287•2460576+1
  24. ↑ Proth 267253•2534508+1
  25. ↑ Proth 660987•2660988+1

History

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