G.f. A(x) satisfies A(x) = ( (1 + x*A(x)^(1/3)) * (1 + x*A(x)^(2/3)) )^3.

A379139

G.f. A(x) satisfies A(x) = ( (1 + x*A(x)^(1/3)) * (1 + x*A(x)^(2/3)) )^3.

Terms

    a(0) =1a(1) =6a(2) =33a(3) =185a(4) =1065a(5) =6276a(6) =37711a(7) =230277a(8) =1425180a(9) =8920915a(10) =56382321a(11) =359325561a(12) =2306603557a(13) =14900834070a(14) =96801107625a(15) =631995206707

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