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a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049723.
0

%I #9 Aug 07 2021 01:13:00

%S 1,8,24,62,117,210,339,498,708,1002,1328,1730,2185,2752,3404,4140,

%T 4958,5902,6947,8136,9423,10826,12406,14114,15919,17948,20141,22494,

%U 24970,27670,30548,33624,36847,40442,44095,47946

%N a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049723.

%K nonn

%O 0,2

%A _Clark Kimberling_