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a(n) = Sum_{m=1..n, k=1..m} T(m,k), array T as in A049834.
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%I #12 Aug 08 2021 03:43:49

%S 1,4,11,22,41,62,97,134,183,236,311,376,475,568,673,788,939,1066,1245,

%T 1398,1579,1772,2011,2202,2459,2708,2979,3240,3579,3842,4217,4546,

%U 4907,5280,5681,6032,6519,6960,7421,7848,8411

%N a(n) = Sum_{m=1..n, k=1..m} T(m,k), array T as in A049834.

%Y Partial sums of A049835.

%Y Cf. A049834.

%K nonn

%O 1,2

%A _Clark Kimberling_