E.g.f.: exp(x*exp(x*exp(x)) + 1/2*x^2*exp(x*exp(x))^2 + 1/4*x^4*exp(x*exp(x))^4).
A060910
E.g.f.: exp(x*exp(x*exp(x)) + 1/2*x^2*exp(x*exp(x))^2 + 1/4*x^4*exp(x*exp(x))^4).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =25a(4) =200a(5) =1941a(6) =22552a(7) =304207a(8) =4660224a(9) =79627609a(10) =1496962736a(11) =30645682299a(12) =677868344056
External references
- oeis: A060910