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 A246286 #4 Aug 21 2014 11:42:59 %S A246286 10897286400,2847824179200,447714492825600,55631842659993600, %T A246286 6069631324282606080,613491878066254387200,59271533998668036864000, %U A246286 5582783667191422365273600,519429902059266063124089600,48173463238302027134150906880,4482046832478916432636662912000 %N A246286 Number of endofunctions on [n] with cycles of five distinct lengths. %H A246286 Alois P. Heinz, <a href="/A246286/b246286.txt">Table of n, a(n) for n = 15..200</a> %Y A246286 Column k=5 of A242027. %K A246286 nonn %O A246286 15,1 %A A246286 _Alois P. Heinz_, Aug 21 2014