A088167 - cp's OEIS frontend

A088167 Number of earlier occurring divisors of n; a(1)=1.

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

[1, 1, 2, 3, 2, 5, 2, 5, 3, 7, 2, 8, 2, 8, 6, 9, 2, 12, 2, 11, 5, 10, 2, 16, 5, 10, 5, 11, 2, 21, 2, 15, 6, 12, 8, 19, 2, 14, 4, 24, 2, 21, 2, 18, 11, 15, 2, 28, 3, 23, 5, 17, 2, 24, 11, 24, 6, 17, 2, 37, 2, 19, 9, 24, 8, 29, 2, 23, 7, 31, 2, 41, 2, 23, 13, 25, 8, 29, 2, 38, 7, 24, 2, 40]

cp's OEIS Frontend

A088167 Number of earlier occurring divisors of n; a(1)=1.

Table of values

List of values

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

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

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