A319734 - cp's OEIS frontend

A319734 Expansion of Product_{0 < i < j} (1 + x^(i^2 + j^2)).

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	1
14	0
15	1
16	0
17	1
18	1
19	0
20	1
21	0
22	1
23	1
24	0
25	2
26	1
27	1
28	1
29	1
30	3
31	1
32	1
33	1
34	2
35	3
36	1
37	2
38	2
39	3
40	3
41	2
42	4
43	3
44	3
45	4
46	3
47	5
48	3
49	3
50	6
51	5
52	6
53	4
54	6
55	8
56	6
57	6
58	7
59	8
60	9
61	7
62	8
63	10
64	10
65	12
66	10
67	12
68	13
69	11
70	15
71	15
72	14
73	15
74	14
75	20
76	19
77	16
78	21
79	20
80	25
81	22
82	22
83	27

[1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 2, 1, 1, 1, 1, 3, 1, 1, 1, 2, 3, 1, 2, 2, 3, 3, 2, 4, 3, 3, 4, 3, 5, 3, 3, 6, 5, 6, 4, 6, 8, 6, 6, 7, 8, 9, 7, 8, 10, 10, 12, 10, 12, 13, 11, 15, 15, 14, 15, 14, 20, 19, 16, 21, 20, 25, 22, 22, 27]

cp's OEIS Frontend

A319734 Expansion of Product_{0 < i < j} (1 + x^(i^2 + j^2)).

Table of values

List of values

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	1
14	0
15	1
16	0
17	1
18	1
19	0
20	1
21	0
22	1
23	1
24	0
25	2
26	1
27	1
28	1
29	1
30	3
31	1
32	1
33	1
34	2
35	3
36	1
37	2
38	2
39	3
40	3
41	2
42	4
43	3
44	3
45	4
46	3
47	5
48	3
49	3
50	6
51	5
52	6
53	4
54	6
55	8
56	6
57	6
58	7
59	8
60	9
61	7
62	8
63	10
64	10
65	12
66	10
67	12
68	13
69	11
70	15
71	15
72	14
73	15
74	14
75	20
76	19
77	16
78	21
79	20
80	25
81	22
82	22
83	27

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	1
14	0
15	1
16	0
17	1
18	1
19	0
20	1
21	0
22	1
23	1
24	0
25	2
26	1
27	1
28	1
29	1
30	3
31	1
32	1
33	1
34	2
35	3
36	1
37	2
38	2
39	3
40	3
41	2
42	4
43	3
44	3
45	4
46	3
47	5
48	3
49	3
50	6
51	5
52	6
53	4
54	6
55	8
56	6
57	6
58	7
59	8
60	9
61	7
62	8
63	10
64	10
65	12
66	10
67	12
68	13
69	11
70	15
71	15
72	14
73	15
74	14
75	20
76	19
77	16
78	21
79	20
80	25
81	22
82	22
83	27

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	0
10	1
11	0
12	0
13	1
14	0
15	1
16	0
17	1
18	1
19	0
20	1
21	0
22	1
23	1
24	0
25	2
26	1
27	1
28	1
29	1
30	3
31	1
32	1
33	1
34	2
35	3
36	1
37	2
38	2
39	3
40	3
41	2
42	4
43	3
44	3
45	4
46	3
47	5
48	3
49	3
50	6
51	5
52	6
53	4
54	6
55	8
56	6
57	6
58	7
59	8
60	9
61	7
62	8
63	10
64	10
65	12
66	10
67	12
68	13
69	11
70	15
71	15
72	14
73	15
74	14
75	20
76	19
77	16
78	21
79	20
80	25
81	22
82	22
83	27