A307360 - cp's OEIS frontend

A307360 A sequence in which every divisor other than 1 is used at most three times.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	11
10	13
11	17
12	19
13	23
14	25
15	29
16	31
17	35
18	37
19	41
20	43
21	47
22	49
23	53
24	59
25	61
26	67
27	71
28	73
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	121
39	127
40	131
41	137
42	139
43	143
44	149
45	151
46	157
47	163
48	167
49	169
50	173
51	179
52	181
53	191
54	193
55	197
56	199
57	211
58	223
59	227
60	229

[1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 17, 19, 23, 25, 29, 31, 35, 37, 41, 43, 47, 49, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 143, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229]

cp's OEIS Frontend

A307360 A sequence in which every divisor other than 1 is used at most three times.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	11
10	13
11	17
12	19
13	23
14	25
15	29
16	31
17	35
18	37
19	41
20	43
21	47
22	49
23	53
24	59
25	61
26	67
27	71
28	73
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	121
39	127
40	131
41	137
42	139
43	143
44	149
45	151
46	157
47	163
48	167
49	169
50	173
51	179
52	181
53	191
54	193
55	197
56	199
57	211
58	223
59	227
60	229

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	11
10	13
11	17
12	19
13	23
14	25
15	29
16	31
17	35
18	37
19	41
20	43
21	47
22	49
23	53
24	59
25	61
26	67
27	71
28	73
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	121
39	127
40	131
41	137
42	139
43	143
44	149
45	151
46	157
47	163
48	167
49	169
50	173
51	179
52	181
53	191
54	193
55	197
56	199
57	211
58	223
59	227
60	229

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	9
9	11
10	13
11	17
12	19
13	23
14	25
15	29
16	31
17	35
18	37
19	41
20	43
21	47
22	49
23	53
24	59
25	61
26	67
27	71
28	73
29	79
30	83
31	89
32	97
33	101
34	103
35	107
36	109
37	113
38	121
39	127
40	131
41	137
42	139
43	143
44	149
45	151
46	157
47	163
48	167
49	169
50	173
51	179
52	181
53	191
54	193
55	197
56	199
57	211
58	223
59	227
60	229