A231916 Primes p such that 16*p^2 + 10*p + 1 divides 2^p - 1.

11, 179, 239, 431, 5231, 7079, 7211, 13451, 14879, 17939, 26111, 28019, 28499, 30851, 36479, 39779, 40559, 43391, 44699, 45179, 48731, 49919, 50411, 66791, 68111, 74099, 74699, 79151, 79811, 83459, 87299, 96731, 96779, 101399, 102551, 103391, 111959, 116411

Offset: 1

Author

Arkadiusz Wesolowski, Nov 15 2013

Keywords

• nonn

Links

• Chris Caldwell, The Prime Glossary, Mersenne number
• C. K. Caldwell, "Top Twenty" page, Mersenne cofactor

Crossrefs

Subsequence of A002515 and of A231917. Supersequence of A231918.

Cf. A001348, A028993.

Programs

Mathematica

Select[Prime@Range[10996], PowerMod[2, #, 16*#^2 + 10*# + 1] == 1 &]