A227036 - cp's OEIS frontend

A227036 Expansion of 2(1+x^2)/((1-x)(1-x-2*x^3)).

n	a(n)
0	2
1	4
2	8
3	16
4	28
5	48
6	84
7	144
8	244
9	416
10	708
11	1200
12	2036
13	3456
14	5860
15	9936
16	16852
17	28576
18	48452
19	82160
20	139316
21	236224
22	400548
23	679184
24	1151636
25	1952736
26	3311108
27	5614384
28	9519860
29	16142080
30	27370852
31	46410576
32	78694740
33	133436448
34	226257604
35	383647088
36	650519988
37	1103035200
38	1870329380

[2, 4, 8, 16, 28, 48, 84, 144, 244, 416, 708, 1200, 2036, 3456, 5860, 9936, 16852, 28576, 48452, 82160, 139316, 236224, 400548, 679184, 1151636, 1952736, 3311108, 5614384, 9519860, 16142080, 27370852, 46410576, 78694740, 133436448, 226257604, 383647088, 650519988, 1103035200, 1870329380]

cp's OEIS Frontend

A227036 Expansion of 2(1+x^2)/((1-x)(1-x-2*x^3)).

Table of values

List of values

cp's OEIS Frontend

A227036 Expansion of 2*(1+x^2)/((1-x)*(1-x-2*x^3)).

Table of values

List of values

A227036 Expansion of 2(1+x^2)/((1-x)(1-x-2*x^3)).