A165951 - cp's OEIS frontend

A165951 a(n) = (Sum of the quadratic non-residues of prime(n) - Sum of the quadratic residues of prime(n)) / prime(n).

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	3
10	0
11	3
12	0
13	0
14	1
15	5
16	0
17	3
18	0
19	1
20	7
21	0
22	5
23	3
24	0
25	0
26	0
27	5
28	3
29	0
30	0
31	5
32	5
33	0
34	3
35	0
36	7
37	0
38	1
39	11
40	0
41	5
42	0
43	13
44	0
45	0
46	9
47	3
48	7
49	5
50	0
51	0
52	15
53	0
54	7
55	0
56	13
57	0
58	11
59	0
60	0
61	3
62	0
63	3
64	19
65	0
66	0
67	3
68	0
69	5
70	0
71	0
72	19
73	9
74	0
75	3
76	17
77	0
78	0
79	0
80	0
81	9
82	0
83	21
84	0
85	15
86	5
87	0
88	0
89	0
90	7
91	7
92	25
93	7
94	9
95	3
96	21
97	0
98	0

[0, 0, 0, 1, 1, 0, 0, 1, 3, 0, 3, 0, 0, 1, 5, 0, 3, 0, 1, 7, 0, 5, 3, 0, 0, 0, 5, 3, 0, 0, 5, 5, 0, 3, 0, 7, 0, 1, 11, 0, 5, 0, 13, 0, 0, 9, 3, 7, 5, 0, 0, 15, 0, 7, 0, 13, 0, 11, 0, 0, 3, 0, 3, 19, 0, 0, 3, 0, 5, 0, 0, 19, 9, 0, 3, 17, 0, 0, 0, 0, 9, 0, 21, 0, 15, 5, 0, 0, 0, 7, 7, 25, 7, 9, 3, 21, 0, 0]

cp's OEIS Frontend

A165951 a(n) = (Sum of the quadratic non-residues of prime(n) - Sum of the quadratic residues of prime(n)) / prime(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	3
10	0
11	3
12	0
13	0
14	1
15	5
16	0
17	3
18	0
19	1
20	7
21	0
22	5
23	3
24	0
25	0
26	0
27	5
28	3
29	0
30	0
31	5
32	5
33	0
34	3
35	0
36	7
37	0
38	1
39	11
40	0
41	5
42	0
43	13
44	0
45	0
46	9
47	3
48	7
49	5
50	0
51	0
52	15
53	0
54	7
55	0
56	13
57	0
58	11
59	0
60	0
61	3
62	0
63	3
64	19
65	0
66	0
67	3
68	0
69	5
70	0
71	0
72	19
73	9
74	0
75	3
76	17
77	0
78	0
79	0
80	0
81	9
82	0
83	21
84	0
85	15
86	5
87	0
88	0
89	0
90	7
91	7
92	25
93	7
94	9
95	3
96	21
97	0
98	0

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	3
10	0
11	3
12	0
13	0
14	1
15	5
16	0
17	3
18	0
19	1
20	7
21	0
22	5
23	3
24	0
25	0
26	0
27	5
28	3
29	0
30	0
31	5
32	5
33	0
34	3
35	0
36	7
37	0
38	1
39	11
40	0
41	5
42	0
43	13
44	0
45	0
46	9
47	3
48	7
49	5
50	0
51	0
52	15
53	0
54	7
55	0
56	13
57	0
58	11
59	0
60	0
61	3
62	0
63	3
64	19
65	0
66	0
67	3
68	0
69	5
70	0
71	0
72	19
73	9
74	0
75	3
76	17
77	0
78	0
79	0
80	0
81	9
82	0
83	21
84	0
85	15
86	5
87	0
88	0
89	0
90	7
91	7
92	25
93	7
94	9
95	3
96	21
97	0
98	0

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	0
7	0
8	1
9	3
10	0
11	3
12	0
13	0
14	1
15	5
16	0
17	3
18	0
19	1
20	7
21	0
22	5
23	3
24	0
25	0
26	0
27	5
28	3
29	0
30	0
31	5
32	5
33	0
34	3
35	0
36	7
37	0
38	1
39	11
40	0
41	5
42	0
43	13
44	0
45	0
46	9
47	3
48	7
49	5
50	0
51	0
52	15
53	0
54	7
55	0
56	13
57	0
58	11
59	0
60	0
61	3
62	0
63	3
64	19
65	0
66	0
67	3
68	0
69	5
70	0
71	0
72	19
73	9
74	0
75	3
76	17
77	0
78	0
79	0
80	0
81	9
82	0
83	21
84	0
85	15
86	5
87	0
88	0
89	0
90	7
91	7
92	25
93	7
94	9
95	3
96	21
97	0
98	0