Dowling numbers: e.g.f.: exp(x + (exp(b*x) - 1)/b) with b=2.

A007405

Dowling numbers: e.g.f.: exp(x + (exp(b*x) - 1)/b) with b=2.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =116a(5) =648a(6) =4088a(7) =28640a(8) =219920a(9) =1832224a(10) =16430176a(11) =157554048a(12) =1606879040a(13) =17350255744a(14) =197553645440

External references