A384605 - cp's OEIS frontend

A384605 Expansion of (1+x) / (1-x-4x^2+2x^3).

n	a(n)
0	1
1	2
2	6
3	12
4	32
5	68
6	172
7	380
8	932
9	2108
10	5076
11	11644
12	27732
13	64156
14	151796
15	352956
16	831828
17	1940060
18	4561460
19	10658044
20	25023764
21	58533020
22	137311988
23	321396540
24	753578452
25	1764540636
26	4136061364
27	9687067004
28	22702231188
29	53178376476
30	124613167220

[1, 2, 6, 12, 32, 68, 172, 380, 932, 2108, 5076, 11644, 27732, 64156, 151796, 352956, 831828, 1940060, 4561460, 10658044, 25023764, 58533020, 137311988, 321396540, 753578452, 1764540636, 4136061364, 9687067004, 22702231188, 53178376476, 124613167220]

cp's OEIS Frontend

A384605 Expansion of (1+x) / (1-x-4x^2+2x^3).

Table of values

List of values

cp's OEIS Frontend

A384605 Expansion of (1+x) / (1-x-4*x^2+2*x^3).

Table of values

List of values

A384605 Expansion of (1+x) / (1-x-4x^2+2x^3).