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 A271760 #4 Apr 13 2016 15:30:47 %S A271760 0,1,514,21735,406589,5546110,65412065,717966669,7611839904, %T A271760 79588371929,830957959665,8730615137024,92770587233003, %U A271760 1000205099870093,10965032512404394,122399242738234819,1392454817303862897,16152871526774117966,191121498072689643877 %N A271760 Number of set partitions of [n+9] such that n is the largest element of the last block. %H A271760 Alois P. Heinz, <a href="/A271760/b271760.txt">Table of n, a(n) for n = 1..568</a> %H A271760 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %F A271760 a(n) = A271466(n+9,n). %Y A271760 A diagonal of A271466. %K A271760 nonn %O A271760 1,3 %A A271760 _Alois P. Heinz_, Apr 13 2016