A384648 - cp's OEIS frontend

A384648 Expansion of (1+2x+x^2) / (1-x-5x^2-2*x^3).

n	a(n)
0	1
1	3
2	9
3	26
4	77
5	225
6	662
7	1941
8	5701
9	16730
10	49117
11	144169
12	423214
13	1242293
14	3646701
15	10704594
16	31422685
17	92239057
18	270761670
19	794802325
20	2333088789
21	6848623754
22	20103672349
23	59012968697
24	173228577950
25	508500766133
26	1492669593277
27	4381630579842

[1, 3, 9, 26, 77, 225, 662, 1941, 5701, 16730, 49117, 144169, 423214, 1242293, 3646701, 10704594, 31422685, 92239057, 270761670, 794802325, 2333088789, 6848623754, 20103672349, 59012968697, 173228577950, 508500766133, 1492669593277, 4381630579842]

cp's OEIS Frontend

A384648 Expansion of (1+2x+x^2) / (1-x-5x^2-2*x^3).

Table of values

List of values

cp's OEIS Frontend

A384648 Expansion of (1+2*x+x^2) / (1-x-5*x^2-2*x^3).

Table of values

List of values

A384648 Expansion of (1+2x+x^2) / (1-x-5x^2-2*x^3).