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 A211358 #4 Apr 18 2012 15:53:28 %S A211358 1,0,1,1,0,1,1,1,0,1,3,1,2,0,1,3,4,2,2,0,1,12,7,11,3,3,0,1,20,28,21, %T A211358 16,4,3,0,1,81,89,101,43,30,5,4,0,1,238,395,356,223,86,40,7,4,0,1, %U A211358 1079,1757,1783,1004,504,148,62,8,5,0,1 %N A211358 Triangle read by rows: T(n,k) is the number of partitions up to rotation and reflection of an n-set that contain k singleton blocks. %H A211358 Tilman Piesk, <a href="/A211358/b211358.txt">Table of n, a(n) for n = 0..77</a> %K A211358 nonn,tabl %O A211358 0,11 %A A211358 _Tilman Piesk_, Apr 12 2012