A319758 - cp's OEIS frontend

A319758 Expansion of Product_{k>=1} 1/(1 - Sum_{j=1..k} x^(j*k)).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	8
6	15
7	20
8	34
9	48
10	76
11	103
12	165
13	222
14	335
15	461
16	683
17	919
18	1352
19	1813
20	2611
21	3519
22	4985
23	6651
24	9408
25	12501
26	17401
27	23165
28	32009
29	42312
30	58241
31	76748
32	104725
33	138017
34	187155
35	245521
36	332135
37	434536
38	584023
39	763799
40	1022507
41	1332549
42	1779534
43	2314437
44	3077540
45	3999825

[1, 1, 2, 3, 6, 8, 15, 20, 34, 48, 76, 103, 165, 222, 335, 461, 683, 919, 1352, 1813, 2611, 3519, 4985, 6651, 9408, 12501, 17401, 23165, 32009, 42312, 58241, 76748, 104725, 138017, 187155, 245521, 332135, 434536, 584023, 763799, 1022507, 1332549, 1779534, 2314437, 3077540, 3999825]

cp's OEIS Frontend

A319758 Expansion of Product_{k>=1} 1/(1 - Sum_{j=1..k} x^(j*k)).

Table of values

List of values