A241492 - cp's OEIS frontend

A241492 a(n) = |{0 < g < prime(n): g is a primitive root modulo prime(n) and g is a product of two consecutive integers}|.

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	2
7	2
8	1
9	1
10	1
11	1
12	2
13	3
14	3
15	2
16	3
17	5
18	3
19	3
20	2
21	2
22	2
23	6
24	3
25	2
26	5
27	3
28	4
29	5
30	5
31	4
32	7
33	7
34	7
35	5
36	4
37	3
38	5
39	5
40	8
41	6
42	2
43	5
44	4
45	5
46	3
47	2
48	5
49	7
50	6
51	5
52	4
53	5
54	8
55	10
56	8
57	10
58	4
59	6
60	6
61	7
62	8
63	3
64	4
65	4
66	9
67	6
68	4
69	7
70	8
71	7
72	5
73	7
74	7
75	6
76	9
77	12
78	6
79	11
80	8

[0, 1, 1, 0, 2, 2, 2, 1, 1, 1, 1, 2, 3, 3, 2, 3, 5, 3, 3, 2, 2, 2, 6, 3, 2, 5, 3, 4, 5, 5, 4, 7, 7, 7, 5, 4, 3, 5, 5, 8, 6, 2, 5, 4, 5, 3, 2, 5, 7, 6, 5, 4, 5, 8, 10, 8, 10, 4, 6, 6, 7, 8, 3, 4, 4, 9, 6, 4, 7, 8, 7, 5, 7, 7, 6, 9, 12, 6, 11, 8]

cp's OEIS Frontend

A241492 a(n) = |{0 < g < prime(n): g is a primitive root modulo prime(n) and g is a product of two consecutive integers}|.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	2
7	2
8	1
9	1
10	1
11	1
12	2
13	3
14	3
15	2
16	3
17	5
18	3
19	3
20	2
21	2
22	2
23	6
24	3
25	2
26	5
27	3
28	4
29	5
30	5
31	4
32	7
33	7
34	7
35	5
36	4
37	3
38	5
39	5
40	8
41	6
42	2
43	5
44	4
45	5
46	3
47	2
48	5
49	7
50	6
51	5
52	4
53	5
54	8
55	10
56	8
57	10
58	4
59	6
60	6
61	7
62	8
63	3
64	4
65	4
66	9
67	6
68	4
69	7
70	8
71	7
72	5
73	7
74	7
75	6
76	9
77	12
78	6
79	11
80	8

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	2
7	2
8	1
9	1
10	1
11	1
12	2
13	3
14	3
15	2
16	3
17	5
18	3
19	3
20	2
21	2
22	2
23	6
24	3
25	2
26	5
27	3
28	4
29	5
30	5
31	4
32	7
33	7
34	7
35	5
36	4
37	3
38	5
39	5
40	8
41	6
42	2
43	5
44	4
45	5
46	3
47	2
48	5
49	7
50	6
51	5
52	4
53	5
54	8
55	10
56	8
57	10
58	4
59	6
60	6
61	7
62	8
63	3
64	4
65	4
66	9
67	6
68	4
69	7
70	8
71	7
72	5
73	7
74	7
75	6
76	9
77	12
78	6
79	11
80	8

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	2
7	2
8	1
9	1
10	1
11	1
12	2
13	3
14	3
15	2
16	3
17	5
18	3
19	3
20	2
21	2
22	2
23	6
24	3
25	2
26	5
27	3
28	4
29	5
30	5
31	4
32	7
33	7
34	7
35	5
36	4
37	3
38	5
39	5
40	8
41	6
42	2
43	5
44	4
45	5
46	3
47	2
48	5
49	7
50	6
51	5
52	4
53	5
54	8
55	10
56	8
57	10
58	4
59	6
60	6
61	7
62	8
63	3
64	4
65	4
66	9
67	6
68	4
69	7
70	8
71	7
72	5
73	7
74	7
75	6
76	9
77	12
78	6
79	11
80	8