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 A332364 #11 Feb 13 2020 00:58:40 %S A332364 1,7,19,51,95,191,311,507,747,1135,1591,2195,2879,3863,4987,6399,7971, %T A332364 9979,12187,14815,17691,21307,25235,29735,34579,40479,46831,54019, %U A332364 61687,70419,79683,90095,101139,113983,127579,142423,158035,175939,194791 %N A332364 Main diagonal of A332363. %Y A332364 Cf. A332363. %K A332364 nonn %O A332364 2,2 %A A332364 _N. J. A. Sloane_, Feb 12 2020