A346009 - cp's OEIS frontend

A346009 a(n) is the numerator of the average number of distinct prime factors of the divisors of n.

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	7
13	1
14	1
15	1
16	4
17	1
18	7
19	1
20	7
21	1
22	1
23	1
24	5
25	2
26	1
27	3
28	7
29	1
30	3
31	1
32	5
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	5
41	1
42	3
43	1
44	7
45	7
46	1
47	1
48	13
49	2
50	7
51	1
52	7
53	1
54	5
55	1
56	5
57	1
58	1
59	1
60	5
61	1
62	1
63	7
64	6
65	1
66	3
67	1
68	7
69	1
70	3
71	1
72	17
73	1
74	1
75	7
76	7
77	1
78	3
79	1
80	13
81	4
82	1
83	1
84	5
85	1
86	1

[0, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 7, 1, 1, 1, 4, 1, 7, 1, 7, 1, 1, 1, 5, 2, 1, 3, 7, 1, 3, 1, 5, 1, 1, 1, 4, 1, 1, 1, 5, 1, 3, 1, 7, 7, 1, 1, 13, 2, 7, 1, 7, 1, 5, 1, 5, 1, 1, 1, 5, 1, 1, 7, 6, 1, 3, 1, 7, 1, 3, 1, 17, 1, 1, 7, 7, 1, 3, 1, 13, 4, 1, 1, 5, 1, 1]

cp's OEIS Frontend

A346009 a(n) is the numerator of the average number of distinct prime factors of the divisors of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	7
13	1
14	1
15	1
16	4
17	1
18	7
19	1
20	7
21	1
22	1
23	1
24	5
25	2
26	1
27	3
28	7
29	1
30	3
31	1
32	5
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	5
41	1
42	3
43	1
44	7
45	7
46	1
47	1
48	13
49	2
50	7
51	1
52	7
53	1
54	5
55	1
56	5
57	1
58	1
59	1
60	5
61	1
62	1
63	7
64	6
65	1
66	3
67	1
68	7
69	1
70	3
71	1
72	17
73	1
74	1
75	7
76	7
77	1
78	3
79	1
80	13
81	4
82	1
83	1
84	5
85	1
86	1

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	7
13	1
14	1
15	1
16	4
17	1
18	7
19	1
20	7
21	1
22	1
23	1
24	5
25	2
26	1
27	3
28	7
29	1
30	3
31	1
32	5
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	5
41	1
42	3
43	1
44	7
45	7
46	1
47	1
48	13
49	2
50	7
51	1
52	7
53	1
54	5
55	1
56	5
57	1
58	1
59	1
60	5
61	1
62	1
63	7
64	6
65	1
66	3
67	1
68	7
69	1
70	3
71	1
72	17
73	1
74	1
75	7
76	7
77	1
78	3
79	1
80	13
81	4
82	1
83	1
84	5
85	1
86	1

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	7
13	1
14	1
15	1
16	4
17	1
18	7
19	1
20	7
21	1
22	1
23	1
24	5
25	2
26	1
27	3
28	7
29	1
30	3
31	1
32	5
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	5
41	1
42	3
43	1
44	7
45	7
46	1
47	1
48	13
49	2
50	7
51	1
52	7
53	1
54	5
55	1
56	5
57	1
58	1
59	1
60	5
61	1
62	1
63	7
64	6
65	1
66	3
67	1
68	7
69	1
70	3
71	1
72	17
73	1
74	1
75	7
76	7
77	1
78	3
79	1
80	13
81	4
82	1
83	1
84	5
85	1
86	1