A279226 - cp's OEIS frontend

A279226 Expansion of Product_{k>=1} (1 + x^(k^2))^2.

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

[1, 2, 1, 0, 2, 4, 2, 0, 1, 4, 5, 2, 0, 4, 8, 4, 2, 6, 7, 4, 5, 8, 6, 4, 4, 10, 15, 8, 1, 12, 24, 12, 1, 8, 19, 18, 10, 8, 16, 24, 17, 16, 23, 20, 12, 22, 34, 20, 8, 20, 42, 38, 18, 18, 42, 52, 30, 20, 34, 46, 34, 30, 46, 48, 36, 46, 72, 58, 33, 42, 71, 72, 41]

cp's OEIS Frontend

A279226 Expansion of Product_{k>=1} (1 + x^(k^2))^2.

Table of values

List of values

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

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

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