A277334 - cp's OEIS frontend

A277334 Numbers n, that apart from 2 are all odd and for which n/(largest prime dividing n) is squarefree.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	15
10	17
11	19
12	21
13	23
14	25
15	29
16	31
17	33
18	35
19	37
20	39
21	41
22	43
23	47
24	49
25	51
26	53
27	55
28	57
29	59
30	61
31	65
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	83
40	85
41	87
42	89
43	91
44	93
45	95
46	97
47	101
48	103
49	105
50	107
51	109
52	111
53	113
54	115
55	119
56	121
57	123
58	127
59	129
60	131
61	133
62	137
63	139
64	141
65	143
66	145
67	147
68	149
69	151
70	155
71	157
72	159
73	161
74	163
75	165
76	167
77	169

[1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 29, 31, 33, 35, 37, 39, 41, 43, 47, 49, 51, 53, 55, 57, 59, 61, 65, 67, 69, 71, 73, 75, 77, 79, 83, 85, 87, 89, 91, 93, 95, 97, 101, 103, 105, 107, 109, 111, 113, 115, 119, 121, 123, 127, 129, 131, 133, 137, 139, 141, 143, 145, 147, 149, 151, 155, 157, 159, 161, 163, 165, 167, 169]

cp's OEIS Frontend

A277334 Numbers n, that apart from 2 are all odd and for which n/(largest prime dividing n) is squarefree.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	15
10	17
11	19
12	21
13	23
14	25
15	29
16	31
17	33
18	35
19	37
20	39
21	41
22	43
23	47
24	49
25	51
26	53
27	55
28	57
29	59
30	61
31	65
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	83
40	85
41	87
42	89
43	91
44	93
45	95
46	97
47	101
48	103
49	105
50	107
51	109
52	111
53	113
54	115
55	119
56	121
57	123
58	127
59	129
60	131
61	133
62	137
63	139
64	141
65	143
66	145
67	147
68	149
69	151
70	155
71	157
72	159
73	161
74	163
75	165
76	167
77	169

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	15
10	17
11	19
12	21
13	23
14	25
15	29
16	31
17	33
18	35
19	37
20	39
21	41
22	43
23	47
24	49
25	51
26	53
27	55
28	57
29	59
30	61
31	65
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	83
40	85
41	87
42	89
43	91
44	93
45	95
46	97
47	101
48	103
49	105
50	107
51	109
52	111
53	113
54	115
55	119
56	121
57	123
58	127
59	129
60	131
61	133
62	137
63	139
64	141
65	143
66	145
67	147
68	149
69	151
70	155
71	157
72	159
73	161
74	163
75	165
76	167
77	169

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	11
8	13
9	15
10	17
11	19
12	21
13	23
14	25
15	29
16	31
17	33
18	35
19	37
20	39
21	41
22	43
23	47
24	49
25	51
26	53
27	55
28	57
29	59
30	61
31	65
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	83
40	85
41	87
42	89
43	91
44	93
45	95
46	97
47	101
48	103
49	105
50	107
51	109
52	111
53	113
54	115
55	119
56	121
57	123
58	127
59	129
60	131
61	133
62	137
63	139
64	141
65	143
66	145
67	147
68	149
69	151
70	155
71	157
72	159
73	161
74	163
75	165
76	167
77	169