A261388 - cp's OEIS frontend

A261388 a(n) is the length of the longest stretch of consecutive primitive roots of the multiplicative group modulo prime(n).

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

[1, 1, 2, 1, 3, 2, 3, 3, 3, 2, 3, 4, 3, 3, 4, 5, 5, 2, 3, 3, 3, 3, 7, 6, 5, 4, 5, 6, 4, 3, 4, 4, 5, 4, 6, 4, 4, 4, 6, 5, 6, 3, 5, 4, 5, 3, 4, 5, 7, 4, 7, 6, 4, 5, 6, 7, 9, 4, 4, 4, 9, 5, 4, 5, 4, 6, 4, 3, 8, 6, 7, 8, 5, 5, 4, 8, 5, 3, 5, 7, 8, 6, 6, 4, 4, 6, 9, 5, 4, 4, 11, 11, 5, 5, 5, 8, 7, 5, 6]

cp's OEIS Frontend

A261388 a(n) is the length of the longest stretch of consecutive primitive roots of the multiplicative group modulo prime(n).

Table of values

List of values

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

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

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