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%I #5 Feb 06 2018 17:35:47
%S 17,23,41,71,113,167,233,311,401,503,617,743,881,1031,1193,1367,1553,
%T 2417,2663,3191,3767,4073,4391,4721,5417,5783,6551,7793,8231,8681,
%U 10103,10601,11633,12713,13841,14423,15017,16871,20201,20903,21617,22343
%N Primes of the form 6*n^2+17.
%H Robert Israel, <a href="/A151953/b151953.txt">Table of n, a(n) for n = 1..10000</a>
%p select(isprime, [seq(6*n^2+17, n=0..1000)]); # _Robert Israel_, Feb 06 2018
%t f[a_]:=6*a^2+17; lst={};Do[If[PrimeQ[f[n]],AppendTo[lst,f[n]]],{n,0,4!}];lst
%Y Cf. A139843, A128829.
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Jul 14 2009