A329436 - cp's OEIS frontend

A329436 Expansion of Sum_{k>=1} (-1 + Product_{j>=2} (1 + x^(k*j))).

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	4
7	3
8	5
9	6
10	8
11	7
12	13
13	10
14	16
15	18
16	22
17	21
18	34
19	29
20	44
21	45
22	56
23	56
24	82
25	78
26	100
27	109
28	136
29	137
30	185
31	181
32	231
33	247
34	295
35	317
36	399
37	404
38	490
39	533
40	638
41	669
42	817
43	853
44	1020
45	1108
46	1276
47	1371
48	1638
49	1728
50	2017
51	2186
52	2519
53	2702
54	3153
55	3371
56	3885

[0, 1, 1, 2, 2, 4, 3, 5, 6, 8, 7, 13, 10, 16, 18, 22, 21, 34, 29, 44, 45, 56, 56, 82, 78, 100, 109, 136, 137, 185, 181, 231, 247, 295, 317, 399, 404, 490, 533, 638, 669, 817, 853, 1020, 1108, 1276, 1371, 1638, 1728, 2017, 2186, 2519, 2702, 3153, 3371, 3885]

cp's OEIS Frontend

A329436 Expansion of Sum_{k>=1} (-1 + Product_{j>=2} (1 + x^(k*j))).

Table of values

List of values