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Sum{T(n,k)}, k = 0,1,...,n, where T is the array defined in A026082.
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%I #4 Mar 30 2012 18:56:04

%S 2,4,8,15,42,127,376,1122,3344,9980,29796,89007,265986,795147,2377744,

%T 7112065,21277698,63670773,190560180,570416805,1707707142,5113158165,

%U 15311384784,45854766744,137339426436,411379964442,1232324471060

%N Sum{T(n,k)}, k = 0,1,...,n, where T is the array defined in A026082.

%Y For n>2, first differences of A026080.

%K nonn

%O 0,1

%A _Clark Kimberling_