E.g.f. satisfies A(x) = exp(x^2 * (1 + x) * A(x)).

A376517

E.g.f. satisfies A(x) = exp(x^2 * (1 + x) * A(x)).

Terms

    a(0) =1a(1) =0a(2) =2a(3) =6a(4) =36a(5) =360a(6) =3000a(7) =40320a(8) =532560a(9) =8527680a(10) =152591040a(11) =2987107200a(12) =65408333760

External references