%I #2 Mar 30 2012 17:27:02
%S 1,2,5,9,37,86,232,748,932,2865,17761,109780,249840,1190787,3869645,
%T 6479631,69445201,75334942
%N Main diagonal of the triangular array A161135.
%F a(m) = A161135(m,m)
%Y A161135, A161136, A161138
%K more,nonn
%O 1,2
%A _Max Alekseyev_, Jun 02 2009
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