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Riesel primes of the form 27•2n-1

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Current data

k , b : 27 , 2
Type : 3
Count : 68
Nash : 2376
Max n : 10,000,000
Date : 2022-03-21
1[1], 2[2], 4[3], 5, 8, 10, 14, 28[4], 37[5], 38, 70, 121[6], 122, 160, 170, 253, 329, 362, 454, 485, 500, 574, 892, 962, 1213, 1580, 2642, 2708, 4505, 8152, 11858, 13300, 15041, 16118, 16778, 19069, 22769, 29020, 30298, 30377, 35942, 42817, 42869, 62024, 74629, 90449, 91042, 117901, 128594, 143330, 152530, 157898, 175852, 282700, 340682, 444622, 627794, 729314, 777992, 1108214, 1163629, 1253870, 1902689, 3855094, 4542344, 4583717, 8342438, 10902757
Remarks :
The sequence A050539 in OEIS

Notes

  1. S.G. n=1
  2. Twin n=2
  3. S.G. n=4, Twin n=4
  4. Near Woodall 27•228-1
  5. S.G. n=37
  6. S.G. n=121

History