A204217 - cp's OEIS frontend

A204217 G.f.: Sum_{n>=1} n * x^(n*(n+1)/2) / (1 - x^n).

n	a(n)
1	1
2	1
3	3
4	1
5	3
6	4
7	3
8	1
9	6
10	5
11	3
12	4
13	3
14	5
15	11
16	1
17	3
18	8
19	3
20	6
21	12
22	5
23	3
24	4
25	8
26	5
27	12
28	8
29	3
30	13
31	3
32	1
33	12
34	5
35	15
36	12
37	3
38	5
39	12
40	6
41	3
42	15
43	3
44	9
45	26
46	5
47	3
48	4
49	10
50	10
51	12
52	9
53	3
54	17
55	18
56	8
57	12
58	5
59	3
60	17
61	3
62	5
63	28
64	1
65	18
66	19
67	3
68	9
69	12
70	17
71	3
72	13
73	3
74	5
75	27
76	9
77	21
78	20
79	3
80	6
81	21
82	5
83	3
84	19
85	18
86	5
87	12
88	12
89	3

[1, 1, 3, 1, 3, 4, 3, 1, 6, 5, 3, 4, 3, 5, 11, 1, 3, 8, 3, 6, 12, 5, 3, 4, 8, 5, 12, 8, 3, 13, 3, 1, 12, 5, 15, 12, 3, 5, 12, 6, 3, 15, 3, 9, 26, 5, 3, 4, 10, 10, 12, 9, 3, 17, 18, 8, 12, 5, 3, 17, 3, 5, 28, 1, 18, 19, 3, 9, 12, 17, 3, 13, 3, 5, 27, 9, 21, 20, 3, 6, 21, 5, 3, 19, 18, 5, 12, 12, 3]

cp's OEIS Frontend

A204217 G.f.: Sum_{n>=1} n * x^(n*(n+1)/2) / (1 - x^n).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	1
5	3
6	4
7	3
8	1
9	6
10	5
11	3
12	4
13	3
14	5
15	11
16	1
17	3
18	8
19	3
20	6
21	12
22	5
23	3
24	4
25	8
26	5
27	12
28	8
29	3
30	13
31	3
32	1
33	12
34	5
35	15
36	12
37	3
38	5
39	12
40	6
41	3
42	15
43	3
44	9
45	26
46	5
47	3
48	4
49	10
50	10
51	12
52	9
53	3
54	17
55	18
56	8
57	12
58	5
59	3
60	17
61	3
62	5
63	28
64	1
65	18
66	19
67	3
68	9
69	12
70	17
71	3
72	13
73	3
74	5
75	27
76	9
77	21
78	20
79	3
80	6
81	21
82	5
83	3
84	19
85	18
86	5
87	12
88	12
89	3

n	a(n)
1	1
2	1
3	3
4	1
5	3
6	4
7	3
8	1
9	6
10	5
11	3
12	4
13	3
14	5
15	11
16	1
17	3
18	8
19	3
20	6
21	12
22	5
23	3
24	4
25	8
26	5
27	12
28	8
29	3
30	13
31	3
32	1
33	12
34	5
35	15
36	12
37	3
38	5
39	12
40	6
41	3
42	15
43	3
44	9
45	26
46	5
47	3
48	4
49	10
50	10
51	12
52	9
53	3
54	17
55	18
56	8
57	12
58	5
59	3
60	17
61	3
62	5
63	28
64	1
65	18
66	19
67	3
68	9
69	12
70	17
71	3
72	13
73	3
74	5
75	27
76	9
77	21
78	20
79	3
80	6
81	21
82	5
83	3
84	19
85	18
86	5
87	12
88	12
89	3

n	a(n)
1	1
2	1
3	3
4	1
5	3
6	4
7	3
8	1
9	6
10	5
11	3
12	4
13	3
14	5
15	11
16	1
17	3
18	8
19	3
20	6
21	12
22	5
23	3
24	4
25	8
26	5
27	12
28	8
29	3
30	13
31	3
32	1
33	12
34	5
35	15
36	12
37	3
38	5
39	12
40	6
41	3
42	15
43	3
44	9
45	26
46	5
47	3
48	4
49	10
50	10
51	12
52	9
53	3
54	17
55	18
56	8
57	12
58	5
59	3
60	17
61	3
62	5
63	28
64	1
65	18
66	19
67	3
68	9
69	12
70	17
71	3
72	13
73	3
74	5
75	27
76	9
77	21
78	20
79	3
80	6
81	21
82	5
83	3
84	19
85	18
86	5
87	12
88	12
89	3