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Triangle of partial row sums of partition triangle A026820.
0

%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