A289496 - cp's OEIS frontend

A289496 Number of primes in the interval [5n, 6n].

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

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

cp's OEIS Frontend

A289496 Number of primes in the interval [5n, 6n].

Table of values

List of values

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

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

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