A326831 - cp's OEIS frontend

A326831 Expansion of Product_{i>=2, j>=2} (1 + x^(i*j))^j.

n	a(n)
0	1
1	0
2	0
3	0
4	2
5	0
6	5
7	0
8	7
9	3
10	17
11	0
12	37
13	6
14	58
15	23
16	120
17	21
18	235
19	67
20	390
21	161
22	726
23	230
24	1349
25	521
26	2225
27	1055
28	3990
29	1714
30	7040
31	3341
32	11604
33	6294
34	20053
35	10500
36	34252
37	19115
38	56055
39	34168
40	94306
41	56998
42	157078
43	99515
44	254766
45	171484
46	419287
47	283565

[1, 0, 0, 0, 2, 0, 5, 0, 7, 3, 17, 0, 37, 6, 58, 23, 120, 21, 235, 67, 390, 161, 726, 230, 1349, 521, 2225, 1055, 3990, 1714, 7040, 3341, 11604, 6294, 20053, 10500, 34252, 19115, 56055, 34168, 94306, 56998, 157078, 99515, 254766, 171484, 419287, 283565]

cp's OEIS Frontend

A326831 Expansion of Product_{i>=2, j>=2} (1 + x^(i*j))^j.

Table of values

List of values