E.g.f.: Product_{k>=1} 1/(1 - (exp(x) - 1)^k)^(1/k).

A345749

E.g.f.: Product_{k>=1} 1/(1 - (exp(x) - 1)^k)^(1/k).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =21a(4) =147a(5) =1250a(6) =12633a(7) =147497a(8) =1947676a(9) =28699373a(10) =466994003a(11) =8309274754a(12) =160368858609

External references