A261612 - cp's OEIS frontend

A261612 Expansion of Product_{k>=0} (1 + x^(3*k+1)).

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

[1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 2, 1, 1, 2, 1, 1, 3, 2, 1, 3, 3, 2, 4, 4, 2, 4, 5, 3, 5, 7, 4, 5, 8, 6, 7, 10, 7, 7, 12, 10, 9, 14, 12, 10, 16, 16, 13, 19, 19, 15, 22, 24, 19, 25, 28, 22, 29, 35, 28, 33, 40, 33, 38, 48, 41, 44, 55, 48, 51, 66, 59, 58, 74, 69]

cp's OEIS Frontend

A261612 Expansion of Product_{k>=0} (1 + x^(3*k+1)).

Table of values

List of values

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

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

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