G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k>=0} a(k)^n* x^k]^n* x^n/n ).
A179500
G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k>=0} a(k)^n* x^k]^n* x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =16a(5) =74a(6) =612a(7) =12271a(8) =893422a(9) =414194958
External references
- oeis: A179500