A387025 - cp's OEIS frontend

A387025 Start with the list of positive integers L_1 = (1, 2, ...); for n = 1, 2, ..., let m be the least integer > n such that L_n(n) divides L_n(m); L_{n+1}(k) = L_n(k) for any k <> m, L_{n+1}(m) = L_n(m)/L_n(n); a(n) = L_n(n).

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

[1, 2, 3, 2, 5, 1, 7, 8, 9, 2, 11, 6, 13, 2, 15, 1, 17, 2, 19, 10, 21, 2, 23, 2, 25, 1, 27, 28, 29, 2, 31, 16, 33, 2, 35, 18, 37, 2, 39, 2, 41, 1, 43, 44, 45, 2, 47, 3, 49, 1, 17, 52, 53, 2, 55, 1, 57, 2, 59, 30, 61, 2, 63, 32, 65, 2, 67, 2, 69, 1, 71, 4, 73, 2]

cp's OEIS Frontend

A387025 Start with the list of positive integers L_1 = (1, 2, ...); for n = 1, 2, ..., let m be the least integer > n such that L_n(n) divides L_n(m); L_{n+1}(k) = L_n(k) for any k <> m, L_{n+1}(m) = L_n(m)/L_n(n); a(n) = L_n(n).

Table of values

List of values

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

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

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