A382683 - cp's OEIS frontend

A382683 Expansion of (1-x^2) / (1-x-3*x^2+x^3).

n	a(n)
0	1
1	1
2	3
3	5
4	13
5	25
6	59
7	121
8	273
9	577
10	1275
11	2733
12	5981
13	12905
14	28115
15	60849
16	132289
17	286721
18	622739
19	1350613
20	2932109
21	6361209
22	13806923
23	29958441
24	65018001
25	141086401
26	306181963
27	664423165
28	1441882653
29	3128970185
30	6790194979
31	14735222881
32	31976837633

[1, 1, 3, 5, 13, 25, 59, 121, 273, 577, 1275, 2733, 5981, 12905, 28115, 60849, 132289, 286721, 622739, 1350613, 2932109, 6361209, 13806923, 29958441, 65018001, 141086401, 306181963, 664423165, 1441882653, 3128970185, 6790194979, 14735222881, 31976837633]

cp's OEIS Frontend

A382683 Expansion of (1-x^2) / (1-x-3*x^2+x^3).

Table of values

List of values