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 A323815 #7 Jan 30 2019 14:31:01 %S A323815 1377,2849,4464,6785,8910,9729,15752,18914,32639,37127,40185,57629 %N A323815 Squares where A323811 gets stuck. %Y A323815 Cf. A323811. %K A323815 nonn %O A323815 1,1 %A A323815 _Daniël Karssen_, Jan 28 2019