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G.f. A(x) satisfies A(x) = 1+Sum_{j=0 to infinity} ((1 + x^(j+1)*A(x))^a_j-1).
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%I #3 May 10 2013 12:44:46

%S 1,1,2,5,14,42,133,433,1455,4958,17247,60502,215353,770865,2789365,

%T 10134529,37130526,136451349,504837219,1872121732,6980767968,

%U 26078614284,97872756530,367861581953,1388061197005,5243972732886

%N G.f. A(x) satisfies A(x) = 1+Sum_{j=0 to infinity} ((1 + x^(j+1)*A(x))^a_j-1).

%Y Cf. A061396.

%K nonn

%O 0,3

%A _Vladeta Jovovic_, Jun 22 2001