A289872 - cp's OEIS frontend

A289872 a(n) is the number of partial sums of the divisors of n that are the sum of divisors of some integer.

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	4
9	3
10	4
11	2
12	4
13	2
14	3
15	3
16	5
17	2
18	5
19	2
20	5
21	3
22	4
23	2
24	6
25	3
26	3
27	4
28	6
29	2
30	5
31	2
32	6
33	4
34	4
35	4
36	4
37	2
38	3
39	3
40	7
41	2
42	6
43	2
44	6
45	4
46	3
47	2
48	6
49	3
50	5
51	3
52	5
53	2
54	6
55	3
56	6
57	3
58	4
59	2
60	8
61	2
62	3
63	4
64	7
65	3
66	6
67	2
68	5
69	3
70	7
71	2
72	6
73	2
74	4
75	4
76	4
77	3
78	6
79	2
80	7
81	5
82	4
83	2
84	6
85	3
86	3
87	3
88	6
89	2
90	6

[1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 4, 2, 3, 3, 5, 2, 5, 2, 5, 3, 4, 2, 6, 3, 3, 4, 6, 2, 5, 2, 6, 4, 4, 4, 4, 2, 3, 3, 7, 2, 6, 2, 6, 4, 3, 2, 6, 3, 5, 3, 5, 2, 6, 3, 6, 3, 4, 2, 8, 2, 3, 4, 7, 3, 6, 2, 5, 3, 7, 2, 6, 2, 4, 4, 4, 3, 6, 2, 7, 5, 4, 2, 6, 3, 3, 3, 6, 2, 6]

cp's OEIS Frontend

A289872 a(n) is the number of partial sums of the divisors of n that are the sum of divisors of some integer.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	4
9	3
10	4
11	2
12	4
13	2
14	3
15	3
16	5
17	2
18	5
19	2
20	5
21	3
22	4
23	2
24	6
25	3
26	3
27	4
28	6
29	2
30	5
31	2
32	6
33	4
34	4
35	4
36	4
37	2
38	3
39	3
40	7
41	2
42	6
43	2
44	6
45	4
46	3
47	2
48	6
49	3
50	5
51	3
52	5
53	2
54	6
55	3
56	6
57	3
58	4
59	2
60	8
61	2
62	3
63	4
64	7
65	3
66	6
67	2
68	5
69	3
70	7
71	2
72	6
73	2
74	4
75	4
76	4
77	3
78	6
79	2
80	7
81	5
82	4
83	2
84	6
85	3
86	3
87	3
88	6
89	2
90	6

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	4
9	3
10	4
11	2
12	4
13	2
14	3
15	3
16	5
17	2
18	5
19	2
20	5
21	3
22	4
23	2
24	6
25	3
26	3
27	4
28	6
29	2
30	5
31	2
32	6
33	4
34	4
35	4
36	4
37	2
38	3
39	3
40	7
41	2
42	6
43	2
44	6
45	4
46	3
47	2
48	6
49	3
50	5
51	3
52	5
53	2
54	6
55	3
56	6
57	3
58	4
59	2
60	8
61	2
62	3
63	4
64	7
65	3
66	6
67	2
68	5
69	3
70	7
71	2
72	6
73	2
74	4
75	4
76	4
77	3
78	6
79	2
80	7
81	5
82	4
83	2
84	6
85	3
86	3
87	3
88	6
89	2
90	6

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	4
9	3
10	4
11	2
12	4
13	2
14	3
15	3
16	5
17	2
18	5
19	2
20	5
21	3
22	4
23	2
24	6
25	3
26	3
27	4
28	6
29	2
30	5
31	2
32	6
33	4
34	4
35	4
36	4
37	2
38	3
39	3
40	7
41	2
42	6
43	2
44	6
45	4
46	3
47	2
48	6
49	3
50	5
51	3
52	5
53	2
54	6
55	3
56	6
57	3
58	4
59	2
60	8
61	2
62	3
63	4
64	7
65	3
66	6
67	2
68	5
69	3
70	7
71	2
72	6
73	2
74	4
75	4
76	4
77	3
78	6
79	2
80	7
81	5
82	4
83	2
84	6
85	3
86	3
87	3
88	6
89	2
90	6