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 A273734 #5 May 28 2016 20:06:31 %S A273734 1,1,1,1,1,1,1,2,3,4,5,6,7,14,21,28,35,42,49,98,147,196,245,294,343, %T A273734 686,1029,1372,1715,2058,2401,4802,7203,9604,12005,14406,16807,33614, %U A273734 50421,67228,84035,100842,117649,268912,453789,672280,924385,1210104,1529437 %N A273734 Number of permutations of n elements divided by the number of 6-ary heaps on n+1 elements. %H A273734 Alois P. Heinz, <a href="/A273734/b273734.txt">Table of n, a(n) for n = 0..1000</a> %H A273734 Wikipedia, <a href="https://en.wikipedia.org/wiki/D-ary_heap">D-ary heap</a> %F A273734 a(n) = A000142(n)/A178011(n+1). %Y A273734 Column k=6 of A273730. %Y A273734 Cf. A000142, A178011. %K A273734 nonn %O A273734 0,8 %A A273734 _Alois P. Heinz_, May 28 2016