A102566 - cp's OEIS frontend

A102566 a(n) = {minimal k such that f^k(prime(n)) = 1} where f(m) = (m+1)/2^r, 2^r is the highest power of two dividing m+1.

n	a(n)
1	2
2	1
3	2
4	1
5	2
6	2
7	4
8	3
9	2
10	2
11	1
12	4
13	4
14	3
15	2
16	3
17	2
18	2
19	5
20	4
21	5
22	3
23	4
24	4
25	5
26	4
27	3
28	3
29	3
30	4
31	1
32	6
33	6
34	5
35	5
36	4
37	4
38	5
39	4
40	4
41	4
42	4
43	2
44	6
45	5
46	4
47	4
48	2
49	4
50	4
51	4
52	2
53	4
54	2
55	8
56	6
57	6
58	5
59	6
60	6
61	5
62	6
63	5
64	4
65	5
66	4
67	5
68	6
69	4
70	4
71	6
72	4
73	3
74	4
75	3
76	2
77	6
78	5
79	6
80	5
81	5
82	5
83	3
84	5
85	3
86	3
87	6
88	5
89	4
90	3
91	4
92	2
93	3
94	3
95	3
96	2
97	2
98	8
99	7
100	6
101	7
102	6
103	6
104	6
105	5

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

cp's OEIS Frontend

A102566 a(n) = {minimal k such that f^k(prime(n)) = 1} where f(m) = (m+1)/2^r, 2^r is the highest power of two dividing m+1.

Table of values

List of values

n	a(n)
1	2
2	1
3	2
4	1
5	2
6	2
7	4
8	3
9	2
10	2
11	1
12	4
13	4
14	3
15	2
16	3
17	2
18	2
19	5
20	4
21	5
22	3
23	4
24	4
25	5
26	4
27	3
28	3
29	3
30	4
31	1
32	6
33	6
34	5
35	5
36	4
37	4
38	5
39	4
40	4
41	4
42	4
43	2
44	6
45	5
46	4
47	4
48	2
49	4
50	4
51	4
52	2
53	4
54	2
55	8
56	6
57	6
58	5
59	6
60	6
61	5
62	6
63	5
64	4
65	5
66	4
67	5
68	6
69	4
70	4
71	6
72	4
73	3
74	4
75	3
76	2
77	6
78	5
79	6
80	5
81	5
82	5
83	3
84	5
85	3
86	3
87	6
88	5
89	4
90	3
91	4
92	2
93	3
94	3
95	3
96	2
97	2
98	8
99	7
100	6
101	7
102	6
103	6
104	6
105	5

n	a(n)
1	2
2	1
3	2
4	1
5	2
6	2
7	4
8	3
9	2
10	2
11	1
12	4
13	4
14	3
15	2
16	3
17	2
18	2
19	5
20	4
21	5
22	3
23	4
24	4
25	5
26	4
27	3
28	3
29	3
30	4
31	1
32	6
33	6
34	5
35	5
36	4
37	4
38	5
39	4
40	4
41	4
42	4
43	2
44	6
45	5
46	4
47	4
48	2
49	4
50	4
51	4
52	2
53	4
54	2
55	8
56	6
57	6
58	5
59	6
60	6
61	5
62	6
63	5
64	4
65	5
66	4
67	5
68	6
69	4
70	4
71	6
72	4
73	3
74	4
75	3
76	2
77	6
78	5
79	6
80	5
81	5
82	5
83	3
84	5
85	3
86	3
87	6
88	5
89	4
90	3
91	4
92	2
93	3
94	3
95	3
96	2
97	2
98	8
99	7
100	6
101	7
102	6
103	6
104	6
105	5

n	a(n)
1	2
2	1
3	2
4	1
5	2
6	2
7	4
8	3
9	2
10	2
11	1
12	4
13	4
14	3
15	2
16	3
17	2
18	2
19	5
20	4
21	5
22	3
23	4
24	4
25	5
26	4
27	3
28	3
29	3
30	4
31	1
32	6
33	6
34	5
35	5
36	4
37	4
38	5
39	4
40	4
41	4
42	4
43	2
44	6
45	5
46	4
47	4
48	2
49	4
50	4
51	4
52	2
53	4
54	2
55	8
56	6
57	6
58	5
59	6
60	6
61	5
62	6
63	5
64	4
65	5
66	4
67	5
68	6
69	4
70	4
71	6
72	4
73	3
74	4
75	3
76	2
77	6
78	5
79	6
80	5
81	5
82	5
83	3
84	5
85	3
86	3
87	6
88	5
89	4
90	3
91	4
92	2
93	3
94	3
95	3
96	2
97	2
98	8
99	7
100	6
101	7
102	6
103	6
104	6
105	5