This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A151953 #12 Apr 16 2025 05:48:00 %S A151953 17,23,41,71,113,167,233,311,401,503,617,743,881,1031,1193,1367,1553, %T A151953 2417,2663,3191,3767,4073,4391,4721,5417,5783,6551,7793,8231,8681, %U A151953 10103,10601,11633,12713,13841,14423,15017,16871,20201,20903,21617,22343 %N A151953 Primes of the form 6*n^2+17. %H A151953 Robert Israel, <a href="/A151953/b151953.txt">Table of n, a(n) for n = 1..10000</a> %p A151953 select(isprime, [seq(6*n^2+17, n=0..1000)]); # _Robert Israel_, Feb 06 2018 %t A151953 f[a_]:=6*a^2+17; lst={};Do[If[PrimeQ[f[n]],AppendTo[lst,f[n]]],{n,0,4!}];lst %t A151953 Select[(6 #^2 + 17) & /@ Range[0, 100], PrimeQ[#] &] (* _Robert Price_, Apr 15 2025 *) %Y A151953 Cf. A139843, A128829. %K A151953 nonn %O A151953 1,1 %A A151953 _Vladimir Joseph Stephan Orlovsky_, Jul 14 2009