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 A275296 #7 Aug 02 2016 08:05:42 %S A275296 1,125,11935,1054446,90883409,7785919355,667846094180,57528246520478, %T A275296 4982376224847449,434013966175033628,38025865334904838663, %U A275296 3350276790194497909856,296749825639022477348788,26416568025494093610125066,2362674123675423339031313673 %N A275296 Number of set partitions of [2n] with symmetric block size list of length ten. %H A275296 Alois P. Heinz, <a href="/A275296/b275296.txt">Table of n, a(n) for n = 5..300</a> %H A275296 Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a> %F A275296 a(n) ~ sqrt(5) * 100^n / (2322432*Pi^(5/2)*n^(5/2)). - _Vaclav Kotesovec_, Aug 02 2016 %Y A275296 Bisection of column k=10 of A275281. %K A275296 nonn %O A275296 5,2 %A A275296 _Alois P. Heinz_, Jul 22 2016