%I #7 Aug 02 2015 10:45:08
%S 0,0,1,0,1,2,0,2,3,5,0,5,7,9,14,0,14,19,23,28,42,0,42,56,66,76,90,132,
%T 0,132,174,202,227,255,297,429,0,429,561,645,715,785,869,1001,1430,0,
%U 1430,1859,2123,2333,2529,2739,3003,3432,4862,0,4862,6292,7150
%N Triangle read by rows: T(n,m) = Sum Catalan(n-k)*Catalan(k), k=0..m.
%e 0;
%e 0,1;
%e 0,1,2;
%e 0,2,3,5;
%e 0,5,7,9,14;
%e 0,14,19,23,28,42; ...
%Y See A028364 for a better version. Cf. A028377, A028378.
%K tabl,nonn,easy
%O 0,6
%A _Wouter Meeussen_