A057812 - cp's OEIS frontend

A057812 Numbers k such that pi(k) is odd.

n	a(n)
1	2
2	5
3	6
4	11
5	12
6	17
7	18
8	23
9	24
10	25
11	26
12	27
13	28
14	31
15	32
16	33
17	34
18	35
19	36
20	41
21	42
22	47
23	48
24	49
25	50
26	51
27	52
28	59
29	60
30	67
31	68
32	69
33	70
34	73
35	74
36	75
37	76
38	77
39	78
40	83
41	84
42	85
43	86
44	87
45	88
46	97
47	98
48	99
49	100
50	103
51	104
52	105
53	106
54	109
55	110
56	111
57	112
58	127
59	128
60	129

[2, 5, 6, 11, 12, 17, 18, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 41, 42, 47, 48, 49, 50, 51, 52, 59, 60, 67, 68, 69, 70, 73, 74, 75, 76, 77, 78, 83, 84, 85, 86, 87, 88, 97, 98, 99, 100, 103, 104, 105, 106, 109, 110, 111, 112, 127, 128, 129]

cp's OEIS Frontend

A057812 Numbers k such that pi(k) is odd.

Table of values

List of values

n	a(n)
1	2
2	5
3	6
4	11
5	12
6	17
7	18
8	23
9	24
10	25
11	26
12	27
13	28
14	31
15	32
16	33
17	34
18	35
19	36
20	41
21	42
22	47
23	48
24	49
25	50
26	51
27	52
28	59
29	60
30	67
31	68
32	69
33	70
34	73
35	74
36	75
37	76
38	77
39	78
40	83
41	84
42	85
43	86
44	87
45	88
46	97
47	98
48	99
49	100
50	103
51	104
52	105
53	106
54	109
55	110
56	111
57	112
58	127
59	128
60	129

n	a(n)
1	2
2	5
3	6
4	11
5	12
6	17
7	18
8	23
9	24
10	25
11	26
12	27
13	28
14	31
15	32
16	33
17	34
18	35
19	36
20	41
21	42
22	47
23	48
24	49
25	50
26	51
27	52
28	59
29	60
30	67
31	68
32	69
33	70
34	73
35	74
36	75
37	76
38	77
39	78
40	83
41	84
42	85
43	86
44	87
45	88
46	97
47	98
48	99
49	100
50	103
51	104
52	105
53	106
54	109
55	110
56	111
57	112
58	127
59	128
60	129

n	a(n)
1	2
2	5
3	6
4	11
5	12
6	17
7	18
8	23
9	24
10	25
11	26
12	27
13	28
14	31
15	32
16	33
17	34
18	35
19	36
20	41
21	42
22	47
23	48
24	49
25	50
26	51
27	52
28	59
29	60
30	67
31	68
32	69
33	70
34	73
35	74
36	75
37	76
38	77
39	78
40	83
41	84
42	85
43	86
44	87
45	88
46	97
47	98
48	99
49	100
50	103
51	104
52	105
53	106
54	109
55	110
56	111
57	112
58	127
59	128
60	129