G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^4 / (1 + x)^3.
A367641
G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^4 / (1 + x)^3.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =64a(4) =504a(5) =4368a(6) =40208a(7) =385728a(8) =3813888a(9) =38590208a(10) =397648384a(11) =4158436864a(12) =44020882944a(13) =470804670464
External references
- oeis: A367641