A358527 - cp's OEIS frontend

A358527 Position of p in the factorization (without multiplicity) of 2^(p-1)-1, where p is the n-th odd prime.

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

[1, 2, 2, 2, 4, 3, 3, 2, 3, 4, 6, 6, 3, 2, 3, 2, 8, 4, 5, 8, 3, 2, 5, 6, 6, 3, 2, 8, 6, 6, 4, 4, 4, 3, 5, 7, 5, 2, 3, 2, 14, 4, 7, 7, 8, 9, 3, 2, 5, 5, 4, 12, 4, 4, 2, 3, 8, 7, 12, 3, 3, 6, 4, 10, 3, 9, 13, 2, 7, 7, 2, 3, 5, 8, 2, 3, 13, 10, 10, 4, 19, 4, 13, 3]

cp's OEIS Frontend

A358527 Position of p in the factorization (without multiplicity) of 2^(p-1)-1, where p is the n-th odd prime.

Table of values

List of values

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

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

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