G.f. A(x) satisfies A(x) = (1 + x*A(x)^3) * (1 + x*A(x))^3.
A379190
G.f. A(x) satisfies A(x) = (1 + x*A(x)^3) * (1 + x*A(x))^3.
Terms
- a(0) =1a(1) =4a(2) =30a(3) =304a(4) =3557a(5) =45150a(6) =604222a(7) =8393282a(8) =119872890a(9) =1749183075a(10) =25964512607a(11) =390828464403
External references
- oeis: A379190