A185150 - cp's OEIS frontend

A185150 Number of odd primes p between n^2 and (n+1)^2 with (n/p) = 1, where (-) is the Legendre symbol.

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	2
7	2
8	3
9	3
10	1
11	4
12	2
13	4
14	3
15	5
16	7
17	2
18	3
19	4
20	6
21	5
22	3
23	3
24	4
25	8
26	5
27	4
28	5
29	4
30	4
31	6
32	6
33	6
34	4
35	9
36	9
37	7
38	7
39	5
40	6
41	7
42	5
43	9
44	5
45	7
46	3
47	9
48	6
49	10
50	6
51	10
52	6
53	8
54	8
55	7
56	7
57	10
58	3
59	12
60	8
61	7
62	10
63	8
64	14
65	11
66	7
67	10
68	10
69	5
70	9
71	11
72	8
73	7
74	9
75	9
76	18
77	11
78	11
79	12
80	9
81	20
82	6
83	13
84	6
85	10
86	9
87	13
88	9
89	8
90	10
91	10
92	12
93	12
94	6
95	13
96	9
97	12
98	12
99	8
100	23

[1, 1, 2, 3, 2, 2, 2, 3, 3, 1, 4, 2, 4, 3, 5, 7, 2, 3, 4, 6, 5, 3, 3, 4, 8, 5, 4, 5, 4, 4, 6, 6, 6, 4, 9, 9, 7, 7, 5, 6, 7, 5, 9, 5, 7, 3, 9, 6, 10, 6, 10, 6, 8, 8, 7, 7, 10, 3, 12, 8, 7, 10, 8, 14, 11, 7, 10, 10, 5, 9, 11, 8, 7, 9, 9, 18, 11, 11, 12, 9, 20, 6, 13, 6, 10, 9, 13, 9, 8, 10, 10, 12, 12, 6, 13, 9, 12, 12, 8, 23]

cp's OEIS Frontend

A185150 Number of odd primes p between n^2 and (n+1)^2 with (n/p) = 1, where (-) is the Legendre symbol.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	2
7	2
8	3
9	3
10	1
11	4
12	2
13	4
14	3
15	5
16	7
17	2
18	3
19	4
20	6
21	5
22	3
23	3
24	4
25	8
26	5
27	4
28	5
29	4
30	4
31	6
32	6
33	6
34	4
35	9
36	9
37	7
38	7
39	5
40	6
41	7
42	5
43	9
44	5
45	7
46	3
47	9
48	6
49	10
50	6
51	10
52	6
53	8
54	8
55	7
56	7
57	10
58	3
59	12
60	8
61	7
62	10
63	8
64	14
65	11
66	7
67	10
68	10
69	5
70	9
71	11
72	8
73	7
74	9
75	9
76	18
77	11
78	11
79	12
80	9
81	20
82	6
83	13
84	6
85	10
86	9
87	13
88	9
89	8
90	10
91	10
92	12
93	12
94	6
95	13
96	9
97	12
98	12
99	8
100	23

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	2
7	2
8	3
9	3
10	1
11	4
12	2
13	4
14	3
15	5
16	7
17	2
18	3
19	4
20	6
21	5
22	3
23	3
24	4
25	8
26	5
27	4
28	5
29	4
30	4
31	6
32	6
33	6
34	4
35	9
36	9
37	7
38	7
39	5
40	6
41	7
42	5
43	9
44	5
45	7
46	3
47	9
48	6
49	10
50	6
51	10
52	6
53	8
54	8
55	7
56	7
57	10
58	3
59	12
60	8
61	7
62	10
63	8
64	14
65	11
66	7
67	10
68	10
69	5
70	9
71	11
72	8
73	7
74	9
75	9
76	18
77	11
78	11
79	12
80	9
81	20
82	6
83	13
84	6
85	10
86	9
87	13
88	9
89	8
90	10
91	10
92	12
93	12
94	6
95	13
96	9
97	12
98	12
99	8
100	23

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	2
7	2
8	3
9	3
10	1
11	4
12	2
13	4
14	3
15	5
16	7
17	2
18	3
19	4
20	6
21	5
22	3
23	3
24	4
25	8
26	5
27	4
28	5
29	4
30	4
31	6
32	6
33	6
34	4
35	9
36	9
37	7
38	7
39	5
40	6
41	7
42	5
43	9
44	5
45	7
46	3
47	9
48	6
49	10
50	6
51	10
52	6
53	8
54	8
55	7
56	7
57	10
58	3
59	12
60	8
61	7
62	10
63	8
64	14
65	11
66	7
67	10
68	10
69	5
70	9
71	11
72	8
73	7
74	9
75	9
76	18
77	11
78	11
79	12
80	9
81	20
82	6
83	13
84	6
85	10
86	9
87	13
88	9
89	8
90	10
91	10
92	12
93	12
94	6
95	13
96	9
97	12
98	12
99	8
100	23