A137944 - cp's OEIS frontend

A137944 Numbers such that the number of composite divisors is a multiple of the number of prime divisors.

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	36
20	37
21	41
22	43
23	47
24	49
25	53
26	59
27	61
28	64
29	67
30	71
31	73
32	79
33	81
34	83
35	89
36	97
37	100
38	101
39	103
40	107
41	109
42	113
43	120
44	121
45	125
46	127
47	128
48	131
49	137
50	139
51	144
52	149
53	151
54	157
55	163
56	167
57	168
58	169
59	173
60	179
61	181
62	191
63	193

[2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 36, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 100, 101, 103, 107, 109, 113, 120, 121, 125, 127, 128, 131, 137, 139, 144, 149, 151, 157, 163, 167, 168, 169, 173, 179, 181, 191, 193]

cp's OEIS Frontend

A137944 Numbers such that the number of composite divisors is a multiple of the number of prime divisors.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	36
20	37
21	41
22	43
23	47
24	49
25	53
26	59
27	61
28	64
29	67
30	71
31	73
32	79
33	81
34	83
35	89
36	97
37	100
38	101
39	103
40	107
41	109
42	113
43	120
44	121
45	125
46	127
47	128
48	131
49	137
50	139
51	144
52	149
53	151
54	157
55	163
56	167
57	168
58	169
59	173
60	179
61	181
62	191
63	193

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	36
20	37
21	41
22	43
23	47
24	49
25	53
26	59
27	61
28	64
29	67
30	71
31	73
32	79
33	81
34	83
35	89
36	97
37	100
38	101
39	103
40	107
41	109
42	113
43	120
44	121
45	125
46	127
47	128
48	131
49	137
50	139
51	144
52	149
53	151
54	157
55	163
56	167
57	168
58	169
59	173
60	179
61	181
62	191
63	193

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	36
20	37
21	41
22	43
23	47
24	49
25	53
26	59
27	61
28	64
29	67
30	71
31	73
32	79
33	81
34	83
35	89
36	97
37	100
38	101
39	103
40	107
41	109
42	113
43	120
44	121
45	125
46	127
47	128
48	131
49	137
50	139
51	144
52	149
53	151
54	157
55	163
56	167
57	168
58	169
59	173
60	179
61	181
62	191
63	193