A165256 - cp's OEIS frontend

A165256 Numbers whose number of distinct prime factors equals the number of digits in the number.

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	10
9	12
10	14
11	15
12	18
13	20
14	21
15	22
16	24
17	26
18	28
19	33
20	34
21	35
22	36
23	38
24	39
25	40
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	55
35	56
36	57
37	58
38	62
39	63
40	65
41	68
42	69
43	72
44	74
45	75
46	76
47	77
48	80
49	82
50	85
51	86
52	87
53	88
54	91
55	92
56	93
57	94
58	95
59	96
60	98
61	99
62	102
63	105
64	110
65	114
66	120
67	126
68	130
69	132

[2, 3, 4, 5, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 22, 24, 26, 28, 33, 34, 35, 36, 38, 39, 40, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 62, 63, 65, 68, 69, 72, 74, 75, 76, 77, 80, 82, 85, 86, 87, 88, 91, 92, 93, 94, 95, 96, 98, 99, 102, 105, 110, 114, 120, 126, 130, 132]

cp's OEIS Frontend

A165256 Numbers whose number of distinct prime factors equals the number of digits in the number.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	10
9	12
10	14
11	15
12	18
13	20
14	21
15	22
16	24
17	26
18	28
19	33
20	34
21	35
22	36
23	38
24	39
25	40
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	55
35	56
36	57
37	58
38	62
39	63
40	65
41	68
42	69
43	72
44	74
45	75
46	76
47	77
48	80
49	82
50	85
51	86
52	87
53	88
54	91
55	92
56	93
57	94
58	95
59	96
60	98
61	99
62	102
63	105
64	110
65	114
66	120
67	126
68	130
69	132

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	10
9	12
10	14
11	15
12	18
13	20
14	21
15	22
16	24
17	26
18	28
19	33
20	34
21	35
22	36
23	38
24	39
25	40
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	55
35	56
36	57
37	58
38	62
39	63
40	65
41	68
42	69
43	72
44	74
45	75
46	76
47	77
48	80
49	82
50	85
51	86
52	87
53	88
54	91
55	92
56	93
57	94
58	95
59	96
60	98
61	99
62	102
63	105
64	110
65	114
66	120
67	126
68	130
69	132

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	10
9	12
10	14
11	15
12	18
13	20
14	21
15	22
16	24
17	26
18	28
19	33
20	34
21	35
22	36
23	38
24	39
25	40
26	44
27	45
28	46
29	48
30	50
31	51
32	52
33	54
34	55
35	56
36	57
37	58
38	62
39	63
40	65
41	68
42	69
43	72
44	74
45	75
46	76
47	77
48	80
49	82
50	85
51	86
52	87
53	88
54	91
55	92
56	93
57	94
58	95
59	96
60	98
61	99
62	102
63	105
64	110
65	114
66	120
67	126
68	130
69	132