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 A273733 #6 May 28 2016 20:05:23 %S A273733 1,1,1,1,1,1,2,3,4,5,6,12,18,24,30,36,72,108,144,180,216,432,648,864, %T A273733 1080,1296,2592,3888,5184,6480,7776,18144,31104,46656,64800,85536, %U A273733 186624,303264,435456,583200,746496,1586304,2519424,3545856,4665600,5878656 %N A273733 Number of permutations of n elements divided by the number of 5-ary heaps on n+1 elements. %H A273733 Alois P. Heinz, <a href="/A273733/b273733.txt">Table of n, a(n) for n = 0..1000</a> %H A273733 Wikipedia, <a href="https://en.wikipedia.org/wiki/D-ary_heap">D-ary heap</a> %F A273733 a(n) = A000142(n)/A178010(n+1). %Y A273733 Column k=5 of A273730. %Y A273733 Cf. A000142, A178010. %K A273733 nonn %O A273733 0,7 %A A273733 _Alois P. Heinz_, May 28 2016