A211249 - cp's OEIS frontend

A211249 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^5).

n	a(n)
0	1
1	1
2	4
3	21
4	126
5	819
6	5611
7	39900
8	291719
9	2179181
10	16560175
11	127617168
12	994951887
13	7833555324
14	62196300997
15	497425570173
16	4003607595960
17	32404662671330
18	263586896132154
19	2153631763231319
20	17666722629907960
21	145449082369322208
22	1201414340736684702

[1, 1, 4, 21, 126, 819, 5611, 39900, 291719, 2179181, 16560175, 127617168, 994951887, 7833555324, 62196300997, 497425570173, 4003607595960, 32404662671330, 263586896132154, 2153631763231319, 17666722629907960, 145449082369322208, 1201414340736684702]

cp's OEIS Frontend

A211249 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^5).

Table of values

List of values

cp's OEIS Frontend

A211249 G.f. satisfies: A(x) = (1 + x*A(x)^3) * (1 + x^2*A(x)^5).

Table of values

List of values

A211249 G.f. satisfies: A(x) = (1 + xA(x)^3) (1 + x^2*A(x)^5).