A046686 - cp's OEIS frontend

A046686 Numbers k such that k and sum of cubes of divisors of k are relatively prime.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	27
17	29
18	31
19	32
20	36
21	37
22	39
23	41
24	43
25	47
26	49
27	50
28	53
29	55
30	57
31	59
32	61
33	63
34	64
35	65
36	67
37	71
38	73
39	75
40	77
41	79
42	81
43	83
44	85
45	89
46	93
47	97
48	98
49	100
50	101
51	103
52	107
53	109
54	111
55	113
56	115
57	117
58	121
59	125
60	127
61	128
62	129
63	131
64	137
65	139
66	143

[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 36, 37, 39, 41, 43, 47, 49, 50, 53, 55, 57, 59, 61, 63, 64, 65, 67, 71, 73, 75, 77, 79, 81, 83, 85, 89, 93, 97, 98, 100, 101, 103, 107, 109, 111, 113, 115, 117, 121, 125, 127, 128, 129, 131, 137, 139, 143]

cp's OEIS Frontend

A046686 Numbers k such that k and sum of cubes of divisors of k are relatively prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	27
17	29
18	31
19	32
20	36
21	37
22	39
23	41
24	43
25	47
26	49
27	50
28	53
29	55
30	57
31	59
32	61
33	63
34	64
35	65
36	67
37	71
38	73
39	75
40	77
41	79
42	81
43	83
44	85
45	89
46	93
47	97
48	98
49	100
50	101
51	103
52	107
53	109
54	111
55	113
56	115
57	117
58	121
59	125
60	127
61	128
62	129
63	131
64	137
65	139
66	143

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	27
17	29
18	31
19	32
20	36
21	37
22	39
23	41
24	43
25	47
26	49
27	50
28	53
29	55
30	57
31	59
32	61
33	63
34	64
35	65
36	67
37	71
38	73
39	75
40	77
41	79
42	81
43	83
44	85
45	89
46	93
47	97
48	98
49	100
50	101
51	103
52	107
53	109
54	111
55	113
56	115
57	117
58	121
59	125
60	127
61	128
62	129
63	131
64	137
65	139
66	143

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	27
17	29
18	31
19	32
20	36
21	37
22	39
23	41
24	43
25	47
26	49
27	50
28	53
29	55
30	57
31	59
32	61
33	63
34	64
35	65
36	67
37	71
38	73
39	75
40	77
41	79
42	81
43	83
44	85
45	89
46	93
47	97
48	98
49	100
50	101
51	103
52	107
53	109
54	111
55	113
56	115
57	117
58	121
59	125
60	127
61	128
62	129
63	131
64	137
65	139
66	143