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 A073907 #15 Jun 21 2018 03:20:03 %S A073907 1,2,3,4,5,7,6,7,8,9,11,12,33,24,15,36,77,24,36,0,0,168,0,378,135,48, %T A073907 0,36,0,0,273,0,0,168,525,0,999,476,0,0,0,288,0,0,175,1296,0,0,0,0,0, %U A073907 378,0,0,495,0,0,384,3577,0,0,0,0,1296,0,728,0,0,0,0,0,0,1197,448,0,0,0,0,0,0,0,1368,0,0 %N A073907 Erroneous version of A085124. %K A073907 dead %O A073907 1,2