A333600 - cp's OEIS frontend

A333600 a(n) is the greatest possible length of a list of pairwise coprime distinct positive integers in arithmetic progression with greatest element n.

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

[1, 2, 3, 2, 3, 2, 4, 2, 3, 2, 4, 2, 5, 2, 3, 2, 5, 2, 5, 2, 3, 2, 5, 2, 5, 2, 3, 2, 5, 2, 6, 2, 3, 2, 5, 2, 7, 2, 3, 2, 6, 2, 8, 2, 3, 2, 7, 2, 7, 2, 3, 2, 8, 2, 5, 2, 3, 2, 9, 2, 6, 2, 3, 2, 5, 2, 7, 2, 3, 2, 6, 2, 8, 2, 3, 2, 7, 2, 9, 2, 3, 2, 8, 2, 5, 2, 3]

cp's OEIS Frontend

A333600 a(n) is the greatest possible length of a list of pairwise coprime distinct positive integers in arithmetic progression with greatest element n.

Table of values

List of values

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

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

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