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 A007642 M5205 #17 Apr 15 2022 11:22:46 %S A007642 29,30,32,35,39,44,50,57,58,61,63,65,72,74,76,84,87,88,89,91,92,94,95, %T A007642 97,99,102,107,109,113,116,118,120,122,123,125,126,127,134,138,144, %U A007642 145,146,147,148,149,150,153,154,156,157,163,164,165,166,169,174,175,179,180,182,183,185,187 %N A007642 Numbers k such that 2*k^2 +29 is composite. %D A007642 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %o A007642 (PARI) isok(k) = !isprime(2*k^2+29); \\ _Michel Marcus_, Apr 15 2022 %K A007642 nonn %O A007642 1,1 %A A007642 _N. J. A. Sloane_, _Mira Bernstein_, _Robert G. Wilson v_ %E A007642 More terms from _Michel Marcus_, Apr 15 2022