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 A070638 #26 Dec 29 2023 11:09:32 %S A070638 0,1,4,9,1,10,6,4,4,6,10,1,9,4,1,0,1,4,9,1,10,6,4,4,6,10,1,9,4,1,0,1, %T A070638 4,9,1,10,6,4,4,6,10,1,9,4,1,0,1,4,9,1,10,6,4,4,6,10,1,9,4,1,0,1,4,9, %U A070638 1,10,6,4,4,6,10,1,9,4,1,0,1,4,9,1,10,6,4,4,6,10,1,9,4,1,0,1,4,9,1,10,6 %N A070638 Duplicate of A070438. %K A070638 dead %O A070638 0,3 %A A070638 _N. J. A. Sloane_, May 13 2002