A320159 - cp's OEIS frontend

A320159 Number of positive integers x < prime(n)/2 such that (x^2 mod prime(n)) > (4*x^2 mod prime(n)).

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	4
8	5
9	4
10	7
11	9
12	9
13	10
14	11
15	9
16	13
17	13
18	15
19	17
20	14
21	18
22	22
23	19
24	22
25	24
26	25
27	28
28	25
29	27
30	28
31	34
32	30
33	34
34	36
35	37
36	41
37	39
38	41
39	36
40	43
41	42
42	45
43	41
44	48
45	49
46	54
47	54
48	59
49	54
50	57
51	58
52	52
53	60
54	59
55	64
56	59
57	67
58	73
59	69
60	70
61	72
62	73
63	78
64	68
65	78
66	79
67	84
68	84
69	84
70	87
71	88
72	80
73	96
74	93
75	96
76	87
77	97
78	99
79	100
80	102

[0, 0, 1, 2, 2, 3, 4, 5, 4, 7, 9, 9, 10, 11, 9, 13, 13, 15, 17, 14, 18, 22, 19, 22, 24, 25, 28, 25, 27, 28, 34, 30, 34, 36, 37, 41, 39, 41, 36, 43, 42, 45, 41, 48, 49, 54, 54, 59, 54, 57, 58, 52, 60, 59, 64, 59, 67, 73, 69, 70, 72, 73, 78, 68, 78, 79, 84, 84, 84, 87, 88, 80, 96, 93, 96, 87, 97, 99, 100, 102]

cp's OEIS Frontend

A320159 Number of positive integers x < prime(n)/2 such that (x^2 mod prime(n)) > (4*x^2 mod prime(n)).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	4
8	5
9	4
10	7
11	9
12	9
13	10
14	11
15	9
16	13
17	13
18	15
19	17
20	14
21	18
22	22
23	19
24	22
25	24
26	25
27	28
28	25
29	27
30	28
31	34
32	30
33	34
34	36
35	37
36	41
37	39
38	41
39	36
40	43
41	42
42	45
43	41
44	48
45	49
46	54
47	54
48	59
49	54
50	57
51	58
52	52
53	60
54	59
55	64
56	59
57	67
58	73
59	69
60	70
61	72
62	73
63	78
64	68
65	78
66	79
67	84
68	84
69	84
70	87
71	88
72	80
73	96
74	93
75	96
76	87
77	97
78	99
79	100
80	102

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	4
8	5
9	4
10	7
11	9
12	9
13	10
14	11
15	9
16	13
17	13
18	15
19	17
20	14
21	18
22	22
23	19
24	22
25	24
26	25
27	28
28	25
29	27
30	28
31	34
32	30
33	34
34	36
35	37
36	41
37	39
38	41
39	36
40	43
41	42
42	45
43	41
44	48
45	49
46	54
47	54
48	59
49	54
50	57
51	58
52	52
53	60
54	59
55	64
56	59
57	67
58	73
59	69
60	70
61	72
62	73
63	78
64	68
65	78
66	79
67	84
68	84
69	84
70	87
71	88
72	80
73	96
74	93
75	96
76	87
77	97
78	99
79	100
80	102

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	4
8	5
9	4
10	7
11	9
12	9
13	10
14	11
15	9
16	13
17	13
18	15
19	17
20	14
21	18
22	22
23	19
24	22
25	24
26	25
27	28
28	25
29	27
30	28
31	34
32	30
33	34
34	36
35	37
36	41
37	39
38	41
39	36
40	43
41	42
42	45
43	41
44	48
45	49
46	54
47	54
48	59
49	54
50	57
51	58
52	52
53	60
54	59
55	64
56	59
57	67
58	73
59	69
60	70
61	72
62	73
63	78
64	68
65	78
66	79
67	84
68	84
69	84
70	87
71	88
72	80
73	96
74	93
75	96
76	87
77	97
78	99
79	100
80	102