A188312 - cp's OEIS frontend

A188312 Expansion of (1/(1-x^2))c(x/((1-x)(1-x^2))) where c(x) is the g.f. of A000108.

n	a(n)
0	1
1	1
2	4
3	12
4	45
5	174
6	709
7	2978
8	12825
9	56303
10	251060
11	1133943
12	5176926
13	23851690
14	110759081
15	517853840
16	2435786531
17	11517940357
18	54722081630
19	261089977806
20	1250479470053
21	6009884614944
22	28975052979797
23	140098515402139
24	679189779433800
25	3300702453217325
26	16076773046682690

[1, 1, 4, 12, 45, 174, 709, 2978, 12825, 56303, 251060, 1133943, 5176926, 23851690, 110759081, 517853840, 2435786531, 11517940357, 54722081630, 261089977806, 1250479470053, 6009884614944, 28975052979797, 140098515402139, 679189779433800, 3300702453217325, 16076773046682690]

cp's OEIS Frontend

A188312 Expansion of (1/(1-x^2))c(x/((1-x)(1-x^2))) where c(x) is the g.f. of A000108.

Table of values

List of values

cp's OEIS Frontend

A188312 Expansion of (1/(1-x^2))*c(x/((1-x)*(1-x^2))) where c(x) is the g.f. of A000108.

Table of values

List of values

A188312 Expansion of (1/(1-x^2))c(x/((1-x)(1-x^2))) where c(x) is the g.f. of A000108.