A266986 - cp's OEIS frontend

A266986 The indices of primes p for which the average of the primitive roots equals p/2.

n	a(n)
1	1
2	3
3	6
4	7
5	8
6	10
7	12
8	13
9	16
10	18
11	21
12	24
13	25
14	26
15	29
16	30
17	33
18	35
19	37
20	40
21	42
22	44
23	45
24	50
25	51
26	53
27	55
28	57
29	59
30	60
31	62
32	63
33	65
34	66
35	68
36	70
37	71
38	74
39	77
40	78
41	79
42	80
43	82
44	84
45	87
46	88
47	89
48	97
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	112
57	113
58	116
59	119
60	121
61	122
62	123
63	126
64	127
65	130
66	134
67	135
68	136
69	137
70	139
71	140
72	142
73	145

[1, 3, 6, 7, 8, 10, 12, 13, 16, 18, 21, 24, 25, 26, 29, 30, 33, 35, 37, 40, 42, 44, 45, 50, 51, 53, 55, 57, 59, 60, 62, 63, 65, 66, 68, 70, 71, 74, 77, 78, 79, 80, 82, 84, 87, 88, 89, 97, 98, 100, 102, 104, 106, 108, 110, 112, 113, 116, 119, 121, 122, 123, 126, 127, 130, 134, 135, 136, 137, 139, 140, 142, 145]

cp's OEIS Frontend

A266986 The indices of primes p for which the average of the primitive roots equals p/2.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	7
5	8
6	10
7	12
8	13
9	16
10	18
11	21
12	24
13	25
14	26
15	29
16	30
17	33
18	35
19	37
20	40
21	42
22	44
23	45
24	50
25	51
26	53
27	55
28	57
29	59
30	60
31	62
32	63
33	65
34	66
35	68
36	70
37	71
38	74
39	77
40	78
41	79
42	80
43	82
44	84
45	87
46	88
47	89
48	97
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	112
57	113
58	116
59	119
60	121
61	122
62	123
63	126
64	127
65	130
66	134
67	135
68	136
69	137
70	139
71	140
72	142
73	145

n	a(n)
1	1
2	3
3	6
4	7
5	8
6	10
7	12
8	13
9	16
10	18
11	21
12	24
13	25
14	26
15	29
16	30
17	33
18	35
19	37
20	40
21	42
22	44
23	45
24	50
25	51
26	53
27	55
28	57
29	59
30	60
31	62
32	63
33	65
34	66
35	68
36	70
37	71
38	74
39	77
40	78
41	79
42	80
43	82
44	84
45	87
46	88
47	89
48	97
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	112
57	113
58	116
59	119
60	121
61	122
62	123
63	126
64	127
65	130
66	134
67	135
68	136
69	137
70	139
71	140
72	142
73	145

n	a(n)
1	1
2	3
3	6
4	7
5	8
6	10
7	12
8	13
9	16
10	18
11	21
12	24
13	25
14	26
15	29
16	30
17	33
18	35
19	37
20	40
21	42
22	44
23	45
24	50
25	51
26	53
27	55
28	57
29	59
30	60
31	62
32	63
33	65
34	66
35	68
36	70
37	71
38	74
39	77
40	78
41	79
42	80
43	82
44	84
45	87
46	88
47	89
48	97
49	98
50	100
51	102
52	104
53	106
54	108
55	110
56	112
57	113
58	116
59	119
60	121
61	122
62	123
63	126
64	127
65	130
66	134
67	135
68	136
69	137
70	139
71	140
72	142
73	145