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 A332355 #8 Feb 12 2020 01:05:34 %S A332355 1,5,15,33,71,125,227,361,567,821,1219,1697,2311,3021,4019,5161,6591, %T A332355 8197,10219,12465,15111,18013,21651,25625,30143,35029,40955,47345, %U A332355 54559,62285,71035,80361,90807,101893,114771,128417,143287,158973,176915,195817 %N A332355 Main diagonal of A332354. %Y A332355 Cf. A332354. %K A332355 nonn %O A332355 1,2 %A A332355 _N. J. A. Sloane_, Feb 11 2020