A159805 - cp's OEIS frontend

A159805 Number of primes p with (2m)^2-(2m-1) <= p < (2m)^2.

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

[1, 1, 1, 2, 1, 2, 2, 2, 4, 3, 3, 4, 4, 4, 4, 5, 4, 5, 6, 5, 6, 5, 7, 7, 4, 10, 5, 5, 10, 8, 6, 7, 5, 7, 5, 7, 10, 7, 10, 12, 11, 10, 7, 11, 10, 10, 10, 12, 8, 9, 11, 9, 9, 8, 9, 15, 15, 9, 14, 11, 14, 17, 11, 11, 10, 17, 14, 15, 13, 17, 17, 13, 12, 16, 13, 20, 17, 11, 14, 14, 17, 16, 17, 16]

cp's OEIS Frontend

A159805 Number of primes p with (2m)^2-(2m-1) <= p < (2m)^2.

Table of values

List of values

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

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

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