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 A332375 #9 Feb 13 2020 00:59:48 %S A332375 3,15,53,127,285,511,901,1447,2249,3231,4637,6367,8713,11439,14801, %T A332375 18739,23733,29339,36269,44131,53305,63347,75329,88587,103973,120607, %U A332375 139505,160151,183925,209387,238433,269939,304789,341759,382601,426227,474965,526379,582389 %N A332375 Main diagonal of A332374. %Y A332375 Cf. A332374. %K A332375 nonn %O A332375 2,1 %A A332375 _N. J. A. Sloane_, Feb 12 2020