%I #9 Sep 08 2022 08:46:08
%S 499,787,1471,1867,2767,3271,4999,5647,8599,13099,14107,16231,19687,
%T 22171,24799,33547,40099,43591,52951,63211,65371,67567,79087,88951,
%U 94099,99391,104827,107599,116131,119047,124987,131071,153499,160231,167107,177691,192307
%N Primes of the form 2*n^2+66*n+31.
%C Primes of the form 36*A056115(k)+31.
%C Conjecture: 2^a(n)-1 is not prime; in other words, these primes are included in A054723.
%H Vincenzo Librandi, <a href="/A243957/b243957.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Table[2 n^2 + 66 n + 31, {n, 800}], PrimeQ]
%o (Magma) [a: n in [1..500] | IsPrime(a) where a is 2*n^2+66*n+31];
%Y Cf. A056115, A142110 (supersequence).
%Y Cf. similar sequences listed in A243888.
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Jun 16 2014