Expansion of g.f. A(x) satisfying A(x) = (1 + x*A(x)) * (1 + 3*x*A(x)^2).
A375434
Expansion of g.f. A(x) satisfying A(x) = (1 + x*A(x)) * (1 + 3*x*A(x)^2).
Terms
- a(0) =1a(1) =4a(2) =31a(3) =301a(4) =3274a(5) =38158a(6) =465919a(7) =5883040a(8) =76189177a(9) =1006440238a(10) =13508178448a(11) =183689450959
External references
- oeis: A375434