A284044 - cp's OEIS frontend

A284044 Largest positive k among all primes p < n such that n^(p-1) == 1 (mod p^k).

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

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

cp's OEIS Frontend

A284044 Largest positive k among all primes p < n such that n^(p-1) == 1 (mod p^k).

Table of values

List of values

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

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

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