E.g.f.: P(exp(x)-1) where P(x) is the g.f. of the partition numbers (A000041).

A167137

E.g.f.: P(exp(x)-1) where P(x) is the g.f. of the partition numbers (A000041).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =31a(4) =257a(5) =2551a(6) =30065a(7) =407191a(8) =6214577a(9) =105530071a(10) =1972879025a(11) =40213910551a(12) =886979957297

External references