E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n+1)).

A155807

E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n+1)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =55a(4) =969a(5) =23661a(6) =741013a(7) =28363707a(8) =1284098609a(9) =67149601273

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