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 A211352 #8 Apr 18 2012 15:48:09 %S A211352 1,1,1,1,1,1,1,2,1,2,1,1,2,2,3,1,2,1,1,3,4,9,3,10,1,5,3,3,1,1,3,5,15, %T A211352 5,30,3,15,15,10,1,15,3,5,1,1,4,7,29,10,70,7,56,54,37,4,105,21,35,1, %U A211352 18,29,37,4,7,7,1 %N A211352 Refined triangle A211356: T(n,k) is the number of partitions up to rotation of an n-set that are of type k (k-th integer partition, defined by A194602). %C A211352 The rows are counted from 1, the columns from 0. %C A211352 Row lengths: 1,2,3,5,7,11... (partition numbers A000041) %C A211352 Row sums: 1,2,3,7,12,43... (A084423) %C A211352 Row maxima: 1,1,1,2,3,10,30,105,420,1268,6300... %C A211352 Distinct entries per row: 1,1,1,2,3,6,6,13,17,25,25... %C A211352 Rightmost columns are those from the triangle of circular binomial coefficients A047996 without the second column (i.e.triangle A037306). %H A211352 Tilman Piesk, <a href="/A211352/b211352.txt">Rows n=1..11 of triangle, flattened</a> %H A211352 Tilman Piesk, <a href="http://en.wikiversity.org/wiki/Partition_related_number_triangles#rot1">Partition related number triangles</a> %Y A211352 Cf. A211356, A000041, A084423, A047996, A037306. %K A211352 tabf,nonn %O A211352 1,8 %A A211352 _Tilman Piesk_, Apr 09 2012