A305048 - cp's OEIS frontend

A305048 Number of ordered pairs (k, m) of nonnegative integers such that 5^k + 10^m is not only a primitive root modulo prime(n) but also smaller than prime(n).

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	3
7	2
8	2
9	2
10	4
11	1
12	3
13	5
14	1
15	4
16	3
17	3
18	4
19	2
20	2
21	3
22	2
23	4
24	4
25	2
26	5
27	4
28	4
29	2
30	2
31	2
32	4
33	4
34	6
35	6
36	4
37	3
38	3
39	7
40	6
41	6
42	2
43	4
44	3
45	5
46	3
47	2
48	3
49	8
50	3
51	4
52	4
53	1
54	3
55	5
56	5
57	6
58	5
59	6
60	4
61	3
62	5
63	1
64	1
65	3
66	4
67	4
68	2
69	7
70	2
71	4
72	4
73	2
74	8
75	3
76	7
77	7
78	3
79	5
80	4
81	6
82	1
83	3
84	4
85	4
86	7
87	5
88	4
89	6
90	2

[0, 1, 1, 0, 2, 3, 2, 2, 2, 4, 1, 3, 5, 1, 4, 3, 3, 4, 2, 2, 3, 2, 4, 4, 2, 5, 4, 4, 2, 2, 2, 4, 4, 6, 6, 4, 3, 3, 7, 6, 6, 2, 4, 3, 5, 3, 2, 3, 8, 3, 4, 4, 1, 3, 5, 5, 6, 5, 6, 4, 3, 5, 1, 1, 3, 4, 4, 2, 7, 2, 4, 4, 2, 8, 3, 7, 7, 3, 5, 4, 6, 1, 3, 4, 4, 7, 5, 4, 6, 2]

cp's OEIS Frontend

A305048 Number of ordered pairs (k, m) of nonnegative integers such that 5^k + 10^m is not only a primitive root modulo prime(n) but also smaller than prime(n).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	3
7	2
8	2
9	2
10	4
11	1
12	3
13	5
14	1
15	4
16	3
17	3
18	4
19	2
20	2
21	3
22	2
23	4
24	4
25	2
26	5
27	4
28	4
29	2
30	2
31	2
32	4
33	4
34	6
35	6
36	4
37	3
38	3
39	7
40	6
41	6
42	2
43	4
44	3
45	5
46	3
47	2
48	3
49	8
50	3
51	4
52	4
53	1
54	3
55	5
56	5
57	6
58	5
59	6
60	4
61	3
62	5
63	1
64	1
65	3
66	4
67	4
68	2
69	7
70	2
71	4
72	4
73	2
74	8
75	3
76	7
77	7
78	3
79	5
80	4
81	6
82	1
83	3
84	4
85	4
86	7
87	5
88	4
89	6
90	2

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	3
7	2
8	2
9	2
10	4
11	1
12	3
13	5
14	1
15	4
16	3
17	3
18	4
19	2
20	2
21	3
22	2
23	4
24	4
25	2
26	5
27	4
28	4
29	2
30	2
31	2
32	4
33	4
34	6
35	6
36	4
37	3
38	3
39	7
40	6
41	6
42	2
43	4
44	3
45	5
46	3
47	2
48	3
49	8
50	3
51	4
52	4
53	1
54	3
55	5
56	5
57	6
58	5
59	6
60	4
61	3
62	5
63	1
64	1
65	3
66	4
67	4
68	2
69	7
70	2
71	4
72	4
73	2
74	8
75	3
76	7
77	7
78	3
79	5
80	4
81	6
82	1
83	3
84	4
85	4
86	7
87	5
88	4
89	6
90	2

n	a(n)
1	0
2	1
3	1
4	0
5	2
6	3
7	2
8	2
9	2
10	4
11	1
12	3
13	5
14	1
15	4
16	3
17	3
18	4
19	2
20	2
21	3
22	2
23	4
24	4
25	2
26	5
27	4
28	4
29	2
30	2
31	2
32	4
33	4
34	6
35	6
36	4
37	3
38	3
39	7
40	6
41	6
42	2
43	4
44	3
45	5
46	3
47	2
48	3
49	8
50	3
51	4
52	4
53	1
54	3
55	5
56	5
57	6
58	5
59	6
60	4
61	3
62	5
63	1
64	1
65	3
66	4
67	4
68	2
69	7
70	2
71	4
72	4
73	2
74	8
75	3
76	7
77	7
78	3
79	5
80	4
81	6
82	1
83	3
84	4
85	4
86	7
87	5
88	4
89	6
90	2