A339663 - cp's OEIS frontend

A339663 Number of nonempty subsets of divisors of n whose average is an integer.

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	9
7	3
8	7
9	6
10	6
11	3
12	24
13	3
14	7
15	13
16	12
17	3
18	27
19	3
20	22
21	11
22	7
23	3
24	72
25	6
26	6
27	12
28	21
29	3
30	83
31	3
32	20
33	13
34	6
35	11
36	133
37	3
38	7
39	11
40	70
41	3
42	82
43	3
44	21
45	38
46	7
47	3
48	230
49	7
50	14
51	13
52	23
53	3
54	88
55	11
56	65
57	11
58	6
59	3
60	763
61	3
62	7
63	35
64	36
65	11
66	84
67	3
68	22
69	13
70	73
71	3
72	780
73	3
74	6
75	37
76	20
77	11
78	82
79	3
80	228

[1, 2, 3, 4, 3, 9, 3, 7, 6, 6, 3, 24, 3, 7, 13, 12, 3, 27, 3, 22, 11, 7, 3, 72, 6, 6, 12, 21, 3, 83, 3, 20, 13, 6, 11, 133, 3, 7, 11, 70, 3, 82, 3, 21, 38, 7, 3, 230, 7, 14, 13, 23, 3, 88, 11, 65, 11, 6, 3, 763, 3, 7, 35, 36, 11, 84, 3, 22, 13, 73, 3, 780, 3, 6, 37, 20, 11, 82, 3, 228]

cp's OEIS Frontend

A339663 Number of nonempty subsets of divisors of n whose average is an integer.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	9
7	3
8	7
9	6
10	6
11	3
12	24
13	3
14	7
15	13
16	12
17	3
18	27
19	3
20	22
21	11
22	7
23	3
24	72
25	6
26	6
27	12
28	21
29	3
30	83
31	3
32	20
33	13
34	6
35	11
36	133
37	3
38	7
39	11
40	70
41	3
42	82
43	3
44	21
45	38
46	7
47	3
48	230
49	7
50	14
51	13
52	23
53	3
54	88
55	11
56	65
57	11
58	6
59	3
60	763
61	3
62	7
63	35
64	36
65	11
66	84
67	3
68	22
69	13
70	73
71	3
72	780
73	3
74	6
75	37
76	20
77	11
78	82
79	3
80	228

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	9
7	3
8	7
9	6
10	6
11	3
12	24
13	3
14	7
15	13
16	12
17	3
18	27
19	3
20	22
21	11
22	7
23	3
24	72
25	6
26	6
27	12
28	21
29	3
30	83
31	3
32	20
33	13
34	6
35	11
36	133
37	3
38	7
39	11
40	70
41	3
42	82
43	3
44	21
45	38
46	7
47	3
48	230
49	7
50	14
51	13
52	23
53	3
54	88
55	11
56	65
57	11
58	6
59	3
60	763
61	3
62	7
63	35
64	36
65	11
66	84
67	3
68	22
69	13
70	73
71	3
72	780
73	3
74	6
75	37
76	20
77	11
78	82
79	3
80	228

n	a(n)
1	1
2	2
3	3
4	4
5	3
6	9
7	3
8	7
9	6
10	6
11	3
12	24
13	3
14	7
15	13
16	12
17	3
18	27
19	3
20	22
21	11
22	7
23	3
24	72
25	6
26	6
27	12
28	21
29	3
30	83
31	3
32	20
33	13
34	6
35	11
36	133
37	3
38	7
39	11
40	70
41	3
42	82
43	3
44	21
45	38
46	7
47	3
48	230
49	7
50	14
51	13
52	23
53	3
54	88
55	11
56	65
57	11
58	6
59	3
60	763
61	3
62	7
63	35
64	36
65	11
66	84
67	3
68	22
69	13
70	73
71	3
72	780
73	3
74	6
75	37
76	20
77	11
78	82
79	3
80	228