A264905 - cp's OEIS frontend

A264905 Expansion of Product_{k>=1} (1 + x^k + x^(3*k)).

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	4
6	6
7	7
8	8
9	13
10	16
11	18
12	26
13	29
14	38
15	49
16	58
17	68
18	90
19	101
20	125
21	156
22	181
23	214
24	263
25	304
26	358
27	435
28	505
29	589
30	701
31	812
32	939
33	1115
34	1275
35	1485
36	1736
37	1991
38	2286
39	2667
40	3038
41	3489
42	4028
43	4588
44	5240
45	6036
46	6833
47	7787
48	8904
49	10078
50	11429
51	13020
52	14698

[1, 1, 1, 3, 2, 4, 6, 7, 8, 13, 16, 18, 26, 29, 38, 49, 58, 68, 90, 101, 125, 156, 181, 214, 263, 304, 358, 435, 505, 589, 701, 812, 939, 1115, 1275, 1485, 1736, 1991, 2286, 2667, 3038, 3489, 4028, 4588, 5240, 6036, 6833, 7787, 8904, 10078, 11429, 13020, 14698]

cp's OEIS Frontend

A264905 Expansion of Product_{k>=1} (1 + x^k + x^(3*k)).

Table of values

List of values