A378086 - cp's OEIS frontend

A378086 Number of nonsquarefree numbers < prime(n).

n	a(n)
1	0
2	0
3	1
4	1
5	3
6	4
7	5
8	6
9	7
10	11
11	11
12	13
13	14
14	14
15	16
16	20
17	22
18	23
19	25
20	26
21	27
22	29
23	31
24	33
25	36
26	39
27	39
28	40
29	41
30	42
31	49
32	50
33	53
34	53
35	57
36	58
37	61
38	63
39	64
40	68
41	70
42	71
43	74
44	75
45	76
46	77
47	81
48	84
49	86
50	87
51	88
52	90
53	91
54	97
55	99
56	101
57	103
58	104
59	107
60	109
61	109
62	113
63	119
64	120
65	121

[0, 0, 1, 1, 3, 4, 5, 6, 7, 11, 11, 13, 14, 14, 16, 20, 22, 23, 25, 26, 27, 29, 31, 33, 36, 39, 39, 40, 41, 42, 49, 50, 53, 53, 57, 58, 61, 63, 64, 68, 70, 71, 74, 75, 76, 77, 81, 84, 86, 87, 88, 90, 91, 97, 99, 101, 103, 104, 107, 109, 109, 113, 119, 120, 121]

cp's OEIS Frontend

A378086 Number of nonsquarefree numbers < prime(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	3
6	4
7	5
8	6
9	7
10	11
11	11
12	13
13	14
14	14
15	16
16	20
17	22
18	23
19	25
20	26
21	27
22	29
23	31
24	33
25	36
26	39
27	39
28	40
29	41
30	42
31	49
32	50
33	53
34	53
35	57
36	58
37	61
38	63
39	64
40	68
41	70
42	71
43	74
44	75
45	76
46	77
47	81
48	84
49	86
50	87
51	88
52	90
53	91
54	97
55	99
56	101
57	103
58	104
59	107
60	109
61	109
62	113
63	119
64	120
65	121

n	a(n)
1	0
2	0
3	1
4	1
5	3
6	4
7	5
8	6
9	7
10	11
11	11
12	13
13	14
14	14
15	16
16	20
17	22
18	23
19	25
20	26
21	27
22	29
23	31
24	33
25	36
26	39
27	39
28	40
29	41
30	42
31	49
32	50
33	53
34	53
35	57
36	58
37	61
38	63
39	64
40	68
41	70
42	71
43	74
44	75
45	76
46	77
47	81
48	84
49	86
50	87
51	88
52	90
53	91
54	97
55	99
56	101
57	103
58	104
59	107
60	109
61	109
62	113
63	119
64	120
65	121

n	a(n)
1	0
2	0
3	1
4	1
5	3
6	4
7	5
8	6
9	7
10	11
11	11
12	13
13	14
14	14
15	16
16	20
17	22
18	23
19	25
20	26
21	27
22	29
23	31
24	33
25	36
26	39
27	39
28	40
29	41
30	42
31	49
32	50
33	53
34	53
35	57
36	58
37	61
38	63
39	64
40	68
41	70
42	71
43	74
44	75
45	76
46	77
47	81
48	84
49	86
50	87
51	88
52	90
53	91
54	97
55	99
56	101
57	103
58	104
59	107
60	109
61	109
62	113
63	119
64	120
65	121