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 A273436 #6 May 29 2016 07:32:53 %S A273436 1,45,1540,49840,1632099,55545735,1987186025,75078221130, %T A273436 2999597292406,126693681294180,5650573288138415,265702055516788800, %U A273436 13149171975158028874,683615652343279677360,37269087381803600233878,2126880663709734887508320,126841125623724152774643951 %N A273436 Number of endofunctions on [n] with exactly five cycles. %H A273436 Alois P. Heinz, <a href="/A273436/b273436.txt">Table of n, a(n) for n = 5..386</a> %F A273436 E.g.f.: -1/5! * log(1+LambertW(-x))^5. %Y A273436 Column k=5 of A060281. %K A273436 nonn %O A273436 5,2 %A A273436 _Alois P. Heinz_, May 22 2016