G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n*A(x^n)/n / Product_{k>=1} (1 - x^(n*k)*A(x^n)^k) ).

A219263

G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n*A(x^n)/n / Product_{k>=1} (1 - x^(n*k)*A(x^n)^k) ).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =10a(4) =39a(5) =159a(6) =693a(7) =3101a(8) =14292a(9) =67116a(10) =320448a(11) =1549834a(12) =7579037a(13) =37406737a(14) =186102602a(15) =932294987a(16) =4698796087a(17) =23809155711a(18) =121219100012a(19) =619800529792

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