A376542 - cp's OEIS frontend

A376542 G.f.: Sum_{k>=0} x^(k^2) * Product_{j=1..k} (1 + x^(2*j))^2.

n	a(n)
0	1
1	1
2	0
3	2
4	1
5	1
6	2
7	0
8	3
9	1
10	4
11	2
12	3
13	3
14	2
15	6
16	2
17	7
18	2
19	8
20	3
21	10
22	6
23	8
24	9
25	8
26	12
27	8
28	16
29	6
30	20
31	8
32	22
33	10
34	24
35	14
36	27
37	20
38	26
39	26
40	25
41	34
42	26
43	42
44	25
45	51
46	26
47	58
48	31
49	66
50	36
51	72
52	43
53	76
54	56
55	82
56	70
57	82
58	86
59	84
60	106
61	87
62	124
63	90
64	145
65	95
66	168
67	102
68	187
69	115
70	206

[1, 1, 0, 2, 1, 1, 2, 0, 3, 1, 4, 2, 3, 3, 2, 6, 2, 7, 2, 8, 3, 10, 6, 8, 9, 8, 12, 8, 16, 6, 20, 8, 22, 10, 24, 14, 27, 20, 26, 26, 25, 34, 26, 42, 25, 51, 26, 58, 31, 66, 36, 72, 43, 76, 56, 82, 70, 82, 86, 84, 106, 87, 124, 90, 145, 95, 168, 102, 187, 115, 206]

cp's OEIS Frontend

A376542 G.f.: Sum_{k>=0} x^(k^2) * Product_{j=1..k} (1 + x^(2*j))^2.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	2
4	1
5	1
6	2
7	0
8	3
9	1
10	4
11	2
12	3
13	3
14	2
15	6
16	2
17	7
18	2
19	8
20	3
21	10
22	6
23	8
24	9
25	8
26	12
27	8
28	16
29	6
30	20
31	8
32	22
33	10
34	24
35	14
36	27
37	20
38	26
39	26
40	25
41	34
42	26
43	42
44	25
45	51
46	26
47	58
48	31
49	66
50	36
51	72
52	43
53	76
54	56
55	82
56	70
57	82
58	86
59	84
60	106
61	87
62	124
63	90
64	145
65	95
66	168
67	102
68	187
69	115
70	206

n	a(n)
0	1
1	1
2	0
3	2
4	1
5	1
6	2
7	0
8	3
9	1
10	4
11	2
12	3
13	3
14	2
15	6
16	2
17	7
18	2
19	8
20	3
21	10
22	6
23	8
24	9
25	8
26	12
27	8
28	16
29	6
30	20
31	8
32	22
33	10
34	24
35	14
36	27
37	20
38	26
39	26
40	25
41	34
42	26
43	42
44	25
45	51
46	26
47	58
48	31
49	66
50	36
51	72
52	43
53	76
54	56
55	82
56	70
57	82
58	86
59	84
60	106
61	87
62	124
63	90
64	145
65	95
66	168
67	102
68	187
69	115
70	206

n	a(n)
0	1
1	1
2	0
3	2
4	1
5	1
6	2
7	0
8	3
9	1
10	4
11	2
12	3
13	3
14	2
15	6
16	2
17	7
18	2
19	8
20	3
21	10
22	6
23	8
24	9
25	8
26	12
27	8
28	16
29	6
30	20
31	8
32	22
33	10
34	24
35	14
36	27
37	20
38	26
39	26
40	25
41	34
42	26
43	42
44	25
45	51
46	26
47	58
48	31
49	66
50	36
51	72
52	43
53	76
54	56
55	82
56	70
57	82
58	86
59	84
60	106
61	87
62	124
63	90
64	145
65	95
66	168
67	102
68	187
69	115
70	206