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 A273440 #6 May 29 2016 07:31:31 %S A273440 1,135,11715,848430,56457258,3616660047,228859354295,14526558274800, %T A273440 933767559522083,61157779792168059,4097522595384976251, %U A273440 281552808746124677190,19873435970688901729621,1442409484607029199323392,107706418622406296313956423 %N A273440 Number of endofunctions on [n] with exactly nine cycles. %H A273440 Alois P. Heinz, <a href="/A273440/b273440.txt">Table of n, a(n) for n = 9..386</a> %F A273440 E.g.f.: -1/9! * log(1+LambertW(-x))^9. %Y A273440 Column k=9 of A060281. %K A273440 nonn %O A273440 9,2 %A A273440 _Alois P. Heinz_, May 22 2016