A120921 - cp's OEIS frontend

A120921 G.f. satisfies: A(x) = G(x) * A(x^4G(x)^9), where G(x) is the g.f. of A001764: G(x) = 1 + xG(x)^3.

n	a(n)
0	1
1	1
2	3
3	12
4	56
5	283
6	1503
7	8262
8	46591
9	267984
10	1565949
11	9269559
12	55465035
13	334919996
14	2038268620
15	12489068727
16	76980573203
17	476994419698
18	2969444848029
19	18563305700106
20	116485903375761
21	733457500802353

[1, 1, 3, 12, 56, 283, 1503, 8262, 46591, 267984, 1565949, 9269559, 55465035, 334919996, 2038268620, 12489068727, 76980573203, 476994419698, 2969444848029, 18563305700106, 116485903375761, 733457500802353]

cp's OEIS Frontend

A120921 G.f. satisfies: A(x) = G(x) * A(x^4G(x)^9), where G(x) is the g.f. of A001764: G(x) = 1 + xG(x)^3.

Table of values

List of values

cp's OEIS Frontend

A120921 G.f. satisfies: A(x) = G(x) * A(x^4*G(x)^9), where G(x) is the g.f. of A001764: G(x) = 1 + x*G(x)^3.

Table of values

List of values

A120921 G.f. satisfies: A(x) = G(x) * A(x^4G(x)^9), where G(x) is the g.f. of A001764: G(x) = 1 + xG(x)^3.