%I #10 Jul 25 2021 13:57:20
%S 1,1,1,1,2,3,1,2,7,7,1,3,15,33,22,1,3,24,94,136,66,1,4,41,218,525,552,
%T 217,1,4,57,440,1517,2673,2233,715,1,5,86,804,3748,9439,12917,8807,
%U 2438
%N Unlabeled super-Catalan numbers: patterns of nonintersecting chords joining unlabeled points on a circle, triangle decomposed by number of chords.
%C Decomposition of A183757 by number of chords (pairs of parentheses). Row sums are A183757. See A183757 for description.
%C Triangle is
%C 1
%C 1 1
%C 1 2 3
%C 1 2 7 7
%C 1 3 15 33 22
%C 1 3 24 94 136 66
%C ...
%C Right diagonal is apparently A007595.
%Y Decomposition of A183757.
%Y Cf. analogous decomposition of super-Catalan numbers in triangle A033282.
%K nonn,tabl,more
%O 1,5
%A _David Scambler_, Jan 06 2011