A124056 - cp's OEIS frontend

A124056 a(1)=1. a(n) = number of terms from among the first (n-1) terms of the sequence which divide a(n-1).

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

[1, 1, 2, 3, 3, 4, 4, 5, 3, 5, 4, 6, 7, 3, 6, 9, 7, 4, 7, 5, 5, 6, 10, 8, 8, 9, 8, 10, 9, 9, 10, 10, 11, 3, 7, 6, 12, 17, 3, 8, 11, 4, 8, 13, 3, 9, 14, 8, 14, 9, 15, 14, 10, 12, 21, 14, 11, 5, 7, 7, 8, 15, 16, 16, 17, 4, 9, 16, 19, 3, 10, 14, 14, 15, 18, 23, 3, 11, 6, 17, 5, 8, 17, 6, 18, 27, 19]

cp's OEIS Frontend

A124056 a(1)=1. a(n) = number of terms from among the first (n-1) terms of the sequence which divide a(n-1).

Table of values

List of values

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

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

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