A172490 - cp's OEIS frontend

A172490 Primes p of the form 4m+3 for which there are exactly as many primitive roots modulo p in the interval [0,p/2] as in the interval [p/2,p].

n	a(n)
1	7
2	31
3	43
4	67
5	307
6	367
7	487
8	643
9	1327
10	1663
11	2371
12	3643
13	3847
14	4327
15	4951
16	6091
17	6571
18	8263
19	9151
20	9187
21	11239
22	11383
23	11863
24	15307
25	24007
26	24151
27	27847
28	30091
29	30643
30	33619
31	36871
32	42187
33	44171
34	46279
35	46591
36	48787
37	70843
38	71887
39	72103
40	72379
41	73363
42	79867
43	82003
44	92503
45	95467
46	106243
47	110431
48	120943
49	126031
50	130363
51	139759
52	143827
53	162751
54	167107
55	173191
56	174859
57	183247

[7, 31, 43, 67, 307, 367, 487, 643, 1327, 1663, 2371, 3643, 3847, 4327, 4951, 6091, 6571, 8263, 9151, 9187, 11239, 11383, 11863, 15307, 24007, 24151, 27847, 30091, 30643, 33619, 36871, 42187, 44171, 46279, 46591, 48787, 70843, 71887, 72103, 72379, 73363, 79867, 82003, 92503, 95467, 106243, 110431, 120943, 126031, 130363, 139759, 143827, 162751, 167107, 173191, 174859, 183247]

cp's OEIS Frontend

A172490 Primes p of the form 4m+3 for which there are exactly as many primitive roots modulo p in the interval [0,p/2] as in the interval [p/2,p].

Table of values

List of values