G.f.: A(x) = x/Series_Reversion(x*G(x)) where G(x) = Sum_{n>=0} n!^2*x^n.
A182958
G.f.: A(x) = x/Series_Reversion(x*G(x)) where G(x) = Sum_{n>=0} n!^2*x^n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =26a(4) =435a(5) =11454a(6) =429982a(7) =21731604a(8) =1422610371a(9) =117184594070
External references
- oeis: A182958