a(n) = n! * [x^n] 1 / (1 - LambertW(x))^n.

A332048

a(n) = n! * [x^n] 1 / (1 - LambertW(x))^n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =15a(4) =104a(5) =1145a(6) =13824a(7) =208831a(8) =3536000a(9) =68918769a(10) =1489702400a(11) =35742514511a(12) =937323767808

External references