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 A246291 #4 Aug 21 2014 11:36:08 %S A246291 3498788402132461399351052923160966975192989707740695756800000000000, %T A246291 11052354490663524427695489724908843677636909669506699650662400000000000, %U A246291 18415489160186667689261756391073628571549021077094285272363827200000000000 %N A246291 Number of endofunctions on [n] with cycles of ten distinct lengths. %H A246291 Alois P. Heinz, <a href="/A246291/b246291.txt">Table of n, a(n) for n = 55..200</a> %Y A246291 Column k=10 of A242027. %K A246291 nonn %O A246291 55,1 %A A246291 _Alois P. Heinz_, Aug 21 2014