E.g.f. satisfies A(x) = exp(x) / (1 - x * A(x))^3.

A377743

E.g.f. satisfies A(x) = exp(x) / (1 - x * A(x))^3.

Terms

    a(0) =1a(1) =4a(2) =43a(3) =853a(4) =25141a(5) =989581a(6) =48885187a(7) =2910389875a(8) =202958554057

External references