E.g.f.: exp(x*exp(x) + 1/2*x^2*exp(x)^2 + 1/4*x^4*exp(x)^4).
A060907
E.g.f.: exp(x*exp(x) + 1/2*x^2*exp(x)^2 + 1/4*x^4*exp(x)^4).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =19a(4) =116a(5) =901a(6) =8422a(7) =89755a(8) =1061048a(9) =13746169a(10) =193901066a(11) =2965146559a(12) =48946004956a(13) =867463969789
External references
- oeis: A060907