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 A211355 #7 Apr 18 2012 15:49:38 %S A211355 1,1,1,1,1,1,1,2,1,1,1,1,2,2,2,1,1,1,1,3,3,5,3,3,1,2,1,1,1,1,3,4,8,4, %T A211355 9,3,4,4,2,1,3,1,1,1,1,4,5,14,8,19,5,14,13,8,4,12,4,4,1,3,4,3,1,1,1,1, %U A211355 1,4,7,20,10,38,10,30,32,16,7,48 %N A211355 Refined triangle A211359: T(n,k) is the number of noncrossing partitions up to rotation and reflection of an n-set that are of type k (k-th integer partition, defined by A194602). %C A211355 The rows are counted from 1, the columns from 0. %C A211355 Row lengths: 1,2,3,5,7,11... (partition numbers A000041) %C A211355 Row sums: 1,2,3,6,10,24... (A111275) %C A211355 Row maxima: 1,1,1,2,2,5,9,19,48,132,330,781 %C A211355 Distinct entries per row: 1,1,1,2,2,4,6,9,15,21,28,43 %C A211355 Rightmost columns are those from the triangle A052307 without the second column. %H A211355 Tilman Piesk, <a href="/A211355/b211355.txt">Rows n=1..12 of triangle, flattened</a> %H A211355 Tilman Piesk, <a href="http://en.wikiversity.org/wiki/Partition_related_number_triangles#rotref1">Partition related number triangles</a> %Y A211355 Cf. A211359, A000041, A111275, A052307. %K A211355 tabf,nonn %O A211355 1,8 %A A211355 _Tilman Piesk_, Apr 09 2012