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 A104014 #7 Dec 21 2022 12:53:20 %S A104014 0,0,2,0,12,2,4,0,56,12,744,2,2520,4,8,0,240,56,220752,12,48,744,1424, %T A104014 2,671088,2520,155344,4,148102320,8,16,0,992,240,3744,56,59433060960, %U A104014 220752,3360,12,818400,48,12192,744,2912,1424,5711392,2,1369568,671088,160 %N A104014 A104013 in decimal. %H A104014 Andrey Zabolotskiy, <a href="/A104014/b104014.txt">Table of n, a(n) for n = 1..3300</a> %Y A104014 Cf. A104013. %K A104014 base,nonn %O A104014 1,3 %A A104014 Bryan Jacobs (bryanjj(AT)gmail.com), Feb 25 2005 %E A104014 Terms a(36) and beyond from _Andrey Zabolotskiy_, Dec 21 2022