A113954 - cp's OEIS frontend

A113954 Expansion of (1-2x^2)/((1-2x)(1+x)^2).

n	a(n)
0	1
1	0
2	1
3	2
4	3
5	8
6	13
7	30
8	55
9	116
10	225
11	458
12	907
13	1824
14	3637
15	7286
16	14559
17	29132
18	58249
19	116514
20	233011
21	466040
22	932061
23	1864142
24	3728263
25	7456548
26	14913073
27	29826170
28	59652315
29	119304656
30	238609285
31	477218598
32	954437167
33	1908874364
34	3817748697

[1, 0, 1, 2, 3, 8, 13, 30, 55, 116, 225, 458, 907, 1824, 3637, 7286, 14559, 29132, 58249, 116514, 233011, 466040, 932061, 1864142, 3728263, 7456548, 14913073, 29826170, 59652315, 119304656, 238609285, 477218598, 954437167, 1908874364, 3817748697]

cp's OEIS Frontend

A113954 Expansion of (1-2x^2)/((1-2x)(1+x)^2).

Table of values

List of values