A106269 - cp's OEIS frontend

A106269 Expansion of 1/((1 - x^2)*(2 - c(x))), where c(x) is the g.f. of A000108.

n	a(n)
0	1
1	1
2	4
3	11
4	39
5	137
6	501
7	1853
8	6936
9	26163
10	99314
11	378879
12	1451392
13	5579179
14	21509692
15	83137939
16	322049887
17	1249941049
18	4859617537
19	18922572949
20	73782881947
21	288051510169
22	1125832363807
23	4404766873969
24	17249634205357

[1, 1, 4, 11, 39, 137, 501, 1853, 6936, 26163, 99314, 378879, 1451392, 5579179, 21509692, 83137939, 322049887, 1249941049, 4859617537, 18922572949, 73782881947, 288051510169, 1125832363807, 4404766873969, 17249634205357]

cp's OEIS Frontend

A106269 Expansion of 1/((1 - x^2)*(2 - c(x))), where c(x) is the g.f. of A000108.

Table of values

List of values