Expansion of (1/x) * Series_Reversion( x * (1-x)^3 / C(x) ), where C(x) is the g.f. of A000108.
A381880
Expansion of (1/x) * Series_Reversion( x * (1-x)^3 / C(x) ), where C(x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =4a(2) =27a(3) =223a(4) =2052a(5) =20199a(6) =208205a(7) =2219149a(8) =24261279a(9) =270581313a(10) =3066581130a(11) =35216499786a(12) =408919039968
External references
- oeis: A381880