E.g.f.: exp( exp(3*x) - 2*exp(2*x) + 2*exp(x) - 1 ).
A194006
E.g.f.: exp( exp(3*x) - 2*exp(2*x) + 2*exp(x) - 1 ).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =149a(5) =1122a(6) =9895a(7) =99017a(8) =1095022a(9) =13225701a(10) =173261337a(11) =2444494252a(12) =36889309869a(13) =592107098533
External references
- oeis: A194006