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%I #12 Feb 17 2021 04:25:52
%S 1,1,3,15,116,1275,18909,363749,8807403,262089849,9401686696,
%T 400089347172,19927273211442,1148368173455106,75812694541312803,
%U 5684165502304973376,480334585284310506044,45439833370389830274384,4783252893141511378449783
%N a(n) = Sum_{k=0..n} A059432(n,k).
%C Row sums of both triangular arrays A059431 and A059432.
%F a(n) = Sum_{k=0..n} A059431(n,k).
%e a(6) = 0 + 478 + 1318 + 2404 + 3628 + 4903 + 6178 = 18909.
%Y Cf. A059431, A059432.
%K nonn
%O 0,3
%A _Petros Hadjicostas_, Feb 16 2021
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