Expansion of e.g.f. 1/(1 - x * exp(x^2))^2.

A377533

Expansion of e.g.f. 1/(1 - x * exp(x^2))^2.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =36a(4) =264a(5) =2280a(6) =23760a(7) =283920a(8) =3830400a(9) =57728160a(10) =959212800a(11) =17424348480a(12) =343508014080

External references