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A127575 Numbers n such that 16n+15 is prime. 21

%I #12 Dec 05 2019 14:24:38

%S 1,2,4,7,11,13,14,16,22,23,26,28,29,37,44,46,53,56,61,64,67,68,71,76,

%T 79,82,88,89,91,92,97,98,103,109,113,116,121,124,128,131,133,137,139,

%U 142,146,148,149,152,158,161,166,167,169,172,179,182,188,194,197

%N Numbers n such that 16n+15 is prime.

%H Daniel Starodubtsev, <a href="/A127575/b127575.txt">Table of n, a(n) for n = 1..10000</a>

%t a = {}; Do[If[PrimeQ[16n + 15], AppendTo[a, n]], {n, 1, 200}]; a

%o (PARI) is(n)=isprime(16*n+15) \\ _Charles R Greathouse IV_, Apr 29 2015

%Y Cf. A125169 (16n+15), A127576 (resulting primes).

%K nonn

%O 1,2

%A _Artur Jasinski_, Jan 19 2007

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Last modified April 24 13:29 EDT 2024. Contains 371956 sequences. (Running on oeis4.)