G.f.: A(x) = x*exp( Sum_{n>=1} [ D^n A(x) ]^n/n ), where differential operator D = x*d/dx.
A159594
G.f.: A(x) = x*exp( Sum_{n>=1} [ D^n A(x) ]^n/n ), where differential operator D = x*d/dx.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =125a(5) =1301a(6) =17070a(7) =272976a(8) =5218727a(9) =118508219a(10) =3224104875a(11) =108226321884
External references
- oeis: A159594