G.f. satisfies: A(x) = Sum_{n>=0} binomial(n*(n+1),n)/(n+1) * x^n/A(x)^n.

A295763

G.f. satisfies: A(x) = Sum_{n>=0} binomial(n*(n+1),n)/(n+1) * x^n/A(x)^n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =42a(4) =744a(5) =18570a(6) =596929a(7) =23457763a(8) =1089601420a(9) =58424516424

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