A362965 - cp's OEIS frontend

A362965 Number of primes <= the n-th prime power.

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

[1, 2, 2, 3, 4, 4, 4, 5, 6, 6, 7, 8, 9, 9, 9, 10, 11, 11, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 21, 22, 22, 23, 24, 25, 26, 27, 28, 29, 30, 30, 30, 31, 31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 53, 54, 54, 55, 56, 57, 58, 59, 60]

cp's OEIS Frontend

A362965 Number of primes <= the n-th prime power.

Table of values

List of values

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

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

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