%I #11 Jan 15 2015 03:59:19
%S 17,41,27649987598537,30431463129071
%N Primes p such that the polynomial x^2 + x + p generates only primes for x=1..13.
%o (PARI) isok(p) = {for (n=1, 13, if (! isprime(subst(x^2+x+p, x, n)), return (0));); 1;} \\ _Michel Marcus_, Jan 13 2015
%Y Subsequence of A253592 and A191458. Cf. A164926.
%K nonn,more
%O 1,1
%A _Zak Seidov_, Jan 05 2015
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