A077463 - cp's OEIS frontend

A077463 Number of primes p such that n < p < 2n-2.

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

[0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 9, 9, 9, 10, 10, 11, 11, 11, 12, 13, 13, 14, 13, 13, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 13, 13, 13, 14, 15, 15, 14, 15, 15, 15, 15, 15]

cp's OEIS Frontend

A077463 Number of primes p such that n < p < 2n-2.

Table of values

List of values

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

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

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