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%I #9 Mar 31 2012 10:32:27
%S 1,2,4,8,12,32,36,100,132,392,384,1168,1500,5332,5284,15740,16804,
%T 60896,62872,222948,243780,927176,876004,2999432,3284180,12706832,
%U 12636656,45043700,46679920,176783132,177597976,652158968,700632804,2696835032,2735898216
%N Sum of rows of the triangle in A080381.
%e a(0)= 1.
%e a(4)= 1 + 2 + 6 + 2 + 1 = 12.
%t Table[Total[Table[GCD[Binomial[n, j], Binomial[n, Floor[n/2]]], {j, 0, n}]], {n, 0, 50}]
%Y Cf. A080381.
%K nonn
%O 0,2
%A _Jacques ALARDET_, Dec 12 2011
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