Coefficient of x^n in g.f.^n is A004123(n).
A088222
Coefficient of x^n in g.f.^n is A004123(n).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =10a(4) =69a(5) =678a(6) =8496a(7) =128316a(8) =2258262a(9) =45292494a(10) =1018882779a(11) =25399668480a(12) =694999352141
External references
- oeis: A088222