A063989 - cp's OEIS frontend

A063989 Numbers with a prime number of prime divisors (counted with multiplicity).

n	a(n)
1	4
2	6
3	8
4	9
5	10
6	12
7	14
8	15
9	18
10	20
11	21
12	22
13	25
14	26
15	27
16	28
17	30
18	32
19	33
20	34
21	35
22	38
23	39
24	42
25	44
26	45
27	46
28	48
29	49
30	50
31	51
32	52
33	55
34	57
35	58
36	62
37	63
38	65
39	66
40	68
41	69
42	70
43	72
44	74
45	75
46	76
47	77
48	78
49	80
50	82
51	85
52	86
53	87
54	91
55	92
56	93
57	94
58	95
59	98
60	99
61	102
62	105
63	106

[4, 6, 8, 9, 10, 12, 14, 15, 18, 20, 21, 22, 25, 26, 27, 28, 30, 32, 33, 34, 35, 38, 39, 42, 44, 45, 46, 48, 49, 50, 51, 52, 55, 57, 58, 62, 63, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 82, 85, 86, 87, 91, 92, 93, 94, 95, 98, 99, 102, 105, 106]

cp's OEIS Frontend

A063989 Numbers with a prime number of prime divisors (counted with multiplicity).

Table of values

List of values

n	a(n)
1	4
2	6
3	8
4	9
5	10
6	12
7	14
8	15
9	18
10	20
11	21
12	22
13	25
14	26
15	27
16	28
17	30
18	32
19	33
20	34
21	35
22	38
23	39
24	42
25	44
26	45
27	46
28	48
29	49
30	50
31	51
32	52
33	55
34	57
35	58
36	62
37	63
38	65
39	66
40	68
41	69
42	70
43	72
44	74
45	75
46	76
47	77
48	78
49	80
50	82
51	85
52	86
53	87
54	91
55	92
56	93
57	94
58	95
59	98
60	99
61	102
62	105
63	106

n	a(n)
1	4
2	6
3	8
4	9
5	10
6	12
7	14
8	15
9	18
10	20
11	21
12	22
13	25
14	26
15	27
16	28
17	30
18	32
19	33
20	34
21	35
22	38
23	39
24	42
25	44
26	45
27	46
28	48
29	49
30	50
31	51
32	52
33	55
34	57
35	58
36	62
37	63
38	65
39	66
40	68
41	69
42	70
43	72
44	74
45	75
46	76
47	77
48	78
49	80
50	82
51	85
52	86
53	87
54	91
55	92
56	93
57	94
58	95
59	98
60	99
61	102
62	105
63	106

n	a(n)
1	4
2	6
3	8
4	9
5	10
6	12
7	14
8	15
9	18
10	20
11	21
12	22
13	25
14	26
15	27
16	28
17	30
18	32
19	33
20	34
21	35
22	38
23	39
24	42
25	44
26	45
27	46
28	48
29	49
30	50
31	51
32	52
33	55
34	57
35	58
36	62
37	63
38	65
39	66
40	68
41	69
42	70
43	72
44	74
45	75
46	76
47	77
48	78
49	80
50	82
51	85
52	86
53	87
54	91
55	92
56	93
57	94
58	95
59	98
60	99
61	102
62	105
63	106