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 A070511 #44 Dec 29 2023 11:10:39 %S A070511 0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3, %T A070511 4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1, %U A070511 4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4,1,0,1,4,3,4 %N A070511 Duplicate of A070431. %K A070511 dead %O A070511 0,3 %A A070511 _N. J. A. Sloane_, May 13 2002