G.f. A(x) satisfies A(x) = 1/(1 - x * A(x*A(x)^3)^3).
A381615
G.f. A(x) satisfies A(x) = 1/(1 - x * A(x*A(x)^3)^3).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =31a(4) =320a(5) =3969a(6) =56080a(7) =876204a(8) =14860614a(9) =270231265a(10) =5223002719a(11) =106613106181
External references
- oeis: A381615