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 A246285 #4 Aug 21 2014 11:40:26 %S A246285 151200,18794160,1524489120,104403293280,6629862919680, %T A246285 408263722546680,24979292241583680,1540245109352826240, %U A246285 96546169418188875840,6185447845988110316640,406427517408935067292800,27447169190924624967665280,1907535125221297935659493120 %N A246285 Number of endofunctions on [n] with cycles of four distinct lengths. %H A246285 Alois P. Heinz, <a href="/A246285/b246285.txt">Table of n, a(n) for n = 10..200</a> %Y A246285 Column k=4 of A242027. %K A246285 nonn %O A246285 10,1 %A A246285 _Alois P. Heinz_, Aug 21 2014