A186708 - cp's OEIS frontend

A186708 Number of quadratic residues (mod p) in the interval [1,2k+1], for primes p=4k+3.

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	9
7	12
8	14
9	19
10	18
11	21
12	22
13	25
14	28
15	31
16	34
17	40
18	39
19	41
20	42
21	47
22	52
23	54
24	54
25	57
26	59
27	64
28	67
29	73
30	72
31	73
32	75
33	81
34	87
35	87
36	94
37	99
38	96
39	99
40	104
41	118
42	118
43	117
44	118
45	119
46	127
47	132
48	125
49	136
50	129
51	136
52	138
53	141
54	154
55	150
56	157
57	162

[1, 2, 4, 6, 7, 9, 12, 14, 19, 18, 21, 22, 25, 28, 31, 34, 40, 39, 41, 42, 47, 52, 54, 54, 57, 59, 64, 67, 73, 72, 73, 75, 81, 87, 87, 94, 99, 96, 99, 104, 118, 118, 117, 118, 119, 127, 132, 125, 136, 129, 136, 138, 141, 154, 150, 157, 162]

cp's OEIS Frontend

A186708 Number of quadratic residues (mod p) in the interval [1,2k+1], for primes p=4k+3.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	9
7	12
8	14
9	19
10	18
11	21
12	22
13	25
14	28
15	31
16	34
17	40
18	39
19	41
20	42
21	47
22	52
23	54
24	54
25	57
26	59
27	64
28	67
29	73
30	72
31	73
32	75
33	81
34	87
35	87
36	94
37	99
38	96
39	99
40	104
41	118
42	118
43	117
44	118
45	119
46	127
47	132
48	125
49	136
50	129
51	136
52	138
53	141
54	154
55	150
56	157
57	162

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	9
7	12
8	14
9	19
10	18
11	21
12	22
13	25
14	28
15	31
16	34
17	40
18	39
19	41
20	42
21	47
22	52
23	54
24	54
25	57
26	59
27	64
28	67
29	73
30	72
31	73
32	75
33	81
34	87
35	87
36	94
37	99
38	96
39	99
40	104
41	118
42	118
43	117
44	118
45	119
46	127
47	132
48	125
49	136
50	129
51	136
52	138
53	141
54	154
55	150
56	157
57	162

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	9
7	12
8	14
9	19
10	18
11	21
12	22
13	25
14	28
15	31
16	34
17	40
18	39
19	41
20	42
21	47
22	52
23	54
24	54
25	57
26	59
27	64
28	67
29	73
30	72
31	73
32	75
33	81
34	87
35	87
36	94
37	99
38	96
39	99
40	104
41	118
42	118
43	117
44	118
45	119
46	127
47	132
48	125
49	136
50	129
51	136
52	138
53	141
54	154
55	150
56	157
57	162