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 A103216 #9 Sep 24 2023 04:31:50 %S A103216 49,77,98,121,133,154,161,209,217,242,245,253,266,301,322,329,341,361, %T A103216 385,413,418,434,437,469,473,490,497,506,517,529,553,581,589,602,605, %U A103216 637,649,658,665,682,713,721,722,737,749,770,781,805,817,826,833,869 %N A103216 Members of A103215 not in A008784. %o A103216 (PARI) v = [1, 2, 5, 10, 13, 17]; for (i = 0, 50, for (j = 1, 6, if (!issquare(Mod(-1, 24*i + v[j])), print1(24*i + v[j], ", ")))) \\ _David Wasserman_, Sep 20 2005 %Y A103216 Cf. A008784, A103215. %K A103216 nonn %O A103216 1,1 %A A103216 _Ralf Stephan_, Jan 28 2005 %E A103216 More terms from _David Wasserman_, Oct 07 2005