A321431 - cp's OEIS frontend

A321431 Expansion of Product_{i>0, j>0} 1/(1 - x^(i^2 + j^2)).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	1
7	2
8	2
9	2
10	7
11	2
12	7
13	6
14	7
15	14
16	8
17	16
18	18
19	16
20	34
21	20
22	38
23	40
24	39
25	68
26	54
27	78
28	91
29	84
30	143
31	116
32	161
33	184
34	185
35	270
36	252
37	312
38	372
39	372
40	518
41	494
42	607
43	704
44	736
45	944
46	965
47	1130
48	1311
49	1378
50	1723
51	1784
52	2081
53	2360
54	2548
55	3048
56	3250
57	3704
58	4196
59	4544

[1, 0, 1, 0, 1, 2, 1, 2, 2, 2, 7, 2, 7, 6, 7, 14, 8, 16, 18, 16, 34, 20, 38, 40, 39, 68, 54, 78, 91, 84, 143, 116, 161, 184, 185, 270, 252, 312, 372, 372, 518, 494, 607, 704, 736, 944, 965, 1130, 1311, 1378, 1723, 1784, 2081, 2360, 2548, 3048, 3250, 3704, 4196, 4544]

cp's OEIS Frontend

A321431 Expansion of Product_{i>0, j>0} 1/(1 - x^(i^2 + j^2)).

Table of values

List of values