A014255 - cp's OEIS frontend

A014255 Expansion of (1+2x+3x^2)/((1-x)*(1-x^2)^2).

n	a(n)
0	1
1	3
2	8
3	12
4	21
5	27
6	40
7	48
8	65
9	75
10	96
11	108
12	133
13	147
14	176
15	192
16	225
17	243
18	280
19	300
20	341
21	363
22	408
23	432
24	481
25	507
26	560
27	588
28	645
29	675
30	736
31	768
32	833
33	867
34	936
35	972
36	1045
37	1083
38	1160
39	1200
40	1281
41	1323
42	1408
43	1452
44	1541
45	1587
46	1680
47	1728
48	1825
49	1875
50	1976
51	2028

[1, 3, 8, 12, 21, 27, 40, 48, 65, 75, 96, 108, 133, 147, 176, 192, 225, 243, 280, 300, 341, 363, 408, 432, 481, 507, 560, 588, 645, 675, 736, 768, 833, 867, 936, 972, 1045, 1083, 1160, 1200, 1281, 1323, 1408, 1452, 1541, 1587, 1680, 1728, 1825, 1875, 1976, 2028]

cp's OEIS Frontend

A014255 Expansion of (1+2x+3x^2)/((1-x)*(1-x^2)^2).

Table of values

List of values

cp's OEIS Frontend

A014255 Expansion of (1+2*x+3*x^2)/((1-x)*(1-x^2)^2).

Table of values

List of values

A014255 Expansion of (1+2x+3x^2)/((1-x)*(1-x^2)^2).