%I #3 Mar 31 2012 13:20:04
%S 1,3,2,6,5,3,13,12,9,5,22,21,18,13,7,42,41,37,30,21,11,66,65,61,53,42,
%T 29,15,112,111,106,96,81,63,43,22,172,171,166,154,136,113,87,59,30,
%U 270,269,263,249,226,196,161,123,83,42,397,396,390,374,347,310,266,217,165
%N Triangle of partial row sums of partition triangle A026820.
%C m=1 column: A058397(n).
%F a(n, m)= sum(A026820(n, k), k=m..n).
%e 1; 3,2; 6,5,3; 13,12,9,5; ...
%Y Cf. A026820, A058397.
%K nonn,tabl
%O 1,2
%A _Wolfdieter Lang_, Dec 11 2000