E.g.f.: Sum_{n>=0} (exp(2^n*x) - 1)^n/n!, an analog of the Bell numbers (A000110).
A168407
E.g.f.: Sum_{n>=0} (exp(2^n*x) - 1)^n/n!, an analog of the Bell numbers (A000110).
Terms
- a(0) =1a(1) =2a(2) =20a(3) =712a(4) =91920a(5) =44874784a(6) =85939843136
External references
- oeis: A168407