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%I #3 Mar 30 2012 18:36:39
%S 1,1,1,4,30,305,3905,59828,1063728,21497921,486476766,12184618776,
%T 334684804952,10005219881472,323438539163521,11244331792094312,
%U 418375698771595037,16590419690069321454,698526596162530976512
%N Coefficient of x^n in A(x)^(2n) is A004123(n); self-convolution is A088222.
%Y Cf. A088222, A004123.
%K nonn
%O 0,4
%A _Paul D. Hanna_, Oct 23 2003