G.f. A(x) satisfies: A(x) = (1 + x * A(x)^3) / (1 - 3 * x).
A349514
G.f. A(x) satisfies: A(x) = (1 + x * A(x)^3) / (1 - 3 * x).
Terms
- a(0) =1a(1) =4a(2) =24a(3) =192a(4) =1792a(5) =18240a(6) =196224a(7) =2194176a(8) =25247232a(9) =296979456a(10) =3555010560a(11) =43165900800a(12) =530362220544
External references
- oeis: A349514