A269403 - cp's OEIS frontend

A269403 Expansion of x(2 - x + 2x^2 + x^3)/((1 - x)^3*(1 + x + x^2 + x^3)).

n	a(n)
0	0
1	2
2	3
3	6
4	10
5	16
6	21
7	28
8	36
9	46
10	55
11	66
12	78
13	92
14	105
15	120
16	136
17	154
18	171
19	190
20	210
21	232
22	253
23	276
24	300
25	326
26	351
27	378
28	406
29	436
30	465
31	496
32	528
33	562
34	595
35	630
36	666
37	704
38	741
39	780
40	820
41	862
42	903
43	946
44	990
45	1036
46	1081
47	1128
48	1176
49	1226
50	1275
51	1326
52	1378
53	1432
54	1485

[0, 2, 3, 6, 10, 16, 21, 28, 36, 46, 55, 66, 78, 92, 105, 120, 136, 154, 171, 190, 210, 232, 253, 276, 300, 326, 351, 378, 406, 436, 465, 496, 528, 562, 595, 630, 666, 704, 741, 780, 820, 862, 903, 946, 990, 1036, 1081, 1128, 1176, 1226, 1275, 1326, 1378, 1432, 1485]

cp's OEIS Frontend

A269403 Expansion of x(2 - x + 2x^2 + x^3)/((1 - x)^3*(1 + x + x^2 + x^3)).

Table of values

List of values

cp's OEIS Frontend

A269403 Expansion of x*(2 - x + 2*x^2 + x^3)/((1 - x)^3*(1 + x + x^2 + x^3)).

Table of values

List of values

A269403 Expansion of x(2 - x + 2x^2 + x^3)/((1 - x)^3*(1 + x + x^2 + x^3)).