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 A231917 Numbers n such that 16*n^2 + 10*n + 1 divides 2^n - 1. 2
 0, 11, 75, 156, 179, 215, 216, 239, 371, 431, 504, 551, 564, 624, 651, 711, 936, 999, 1040, 1076, 1296, 1304, 1416, 1680, 1884, 1911, 2079, 2324, 2615, 2696, 3176, 3224, 3236, 3500, 3696, 3780, 3879, 4040, 4044, 4215, 4340, 4368, 4431, 4599, 4604, 4859, 5019 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The prime numbers of this sequence are in A231916. LINKS Table of n, a(n) for n=1..47. Chris Caldwell, The Prime Glossary, Mersenne number MATHEMATICA Prepend[Select[Range[5019], PowerMod[2, #, 16*#^2 + 10*# + 1] == 1 &], 0] CROSSREFS Subsequence of A081858. Supersequence of A231916. Cf. A000225, A028993, A231918. Sequence in context: A213165 A044198 A044579 * A289419 A027226 A300925 Adjacent sequences: A231914 A231915 A231916 * A231918 A231919 A231920 KEYWORD nonn AUTHOR Arkadiusz Wesolowski, Nov 15 2013 STATUS approved

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Last modified April 12 20:17 EDT 2024. Contains 371636 sequences. (Running on oeis4.)