A329466 - cp's OEIS frontend

A329466 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} (1 + x^(kj(j + 1)/2))).

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

[1, 1, 2, 2, 1, 3, 2, 2, 3, 3, 2, 4, 2, 3, 3, 4, 2, 5, 3, 5, 5, 4, 1, 6, 4, 3, 4, 7, 3, 7, 5, 7, 3, 5, 5, 8, 5, 6, 6, 8, 3, 10, 4, 7, 8, 7, 5, 10, 7, 10, 5, 10, 6, 9, 9, 13, 7, 8, 6, 14, 7, 10, 10, 14, 9, 12, 9, 12, 7, 17, 8, 14, 10, 14, 12, 17, 12, 12, 10, 20]

cp's OEIS Frontend

A329466 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} (1 + x^(kj(j + 1)/2))).

Table of values

List of values

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

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

cp's OEIS Frontend

A329466 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} (1 + x^(k*j*(j + 1)/2))).

Table of values

List of values

A329466 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} (1 + x^(kj(j + 1)/2))).

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