A137588 - cp's OEIS frontend

A137588 Number of primes not greater than n that are greater than the number of primes not greater than n.

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

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

cp's OEIS Frontend

A137588 Number of primes not greater than n that are greater than the number of primes not greater than n.

Table of values

List of values

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

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

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