Coefficient of x^n in g.f.^n is A048286(n).
A088223
Coefficient of x^n in g.f.^n is A048286(n).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =12a(4) =93a(5) =1032a(6) =14655a(7) =251688a(8) =5052909a(9) =115925904a(10) =2990175786a(11) =85643490420
External references
- oeis: A088223