A243047 - cp's OEIS frontend

A243047 Numbers n such that kn/(k-n) and kn/(k+n) are both never integers for k > 0.

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	25
13	26
14	29
15	31
16	34
17	37
18	38
19	41
20	43
21	46
22	47
23	49
24	53
25	58
26	59
27	61
28	62
29	65
30	67
31	71
32	73
33	74
34	77
35	79
36	82
37	83
38	85
39	86
40	89
41	94
42	95
43	97
44	98
45	101
46	103
47	106
48	107
49	109
50	113
51	115
52	118
53	119
54	121
55	122
56	125
57	127
58	131
59	133
60	134
61	137
62	139
63	142
64	145
65	146

[1, 2, 5, 7, 11, 13, 14, 17, 19, 22, 23, 25, 26, 29, 31, 34, 37, 38, 41, 43, 46, 47, 49, 53, 58, 59, 61, 62, 65, 67, 71, 73, 74, 77, 79, 82, 83, 85, 86, 89, 94, 95, 97, 98, 101, 103, 106, 107, 109, 113, 115, 118, 119, 121, 122, 125, 127, 131, 133, 134, 137, 139, 142, 145, 146]

cp's OEIS Frontend

A243047 Numbers n such that kn/(k-n) and kn/(k+n) are both never integers for k > 0.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	25
13	26
14	29
15	31
16	34
17	37
18	38
19	41
20	43
21	46
22	47
23	49
24	53
25	58
26	59
27	61
28	62
29	65
30	67
31	71
32	73
33	74
34	77
35	79
36	82
37	83
38	85
39	86
40	89
41	94
42	95
43	97
44	98
45	101
46	103
47	106
48	107
49	109
50	113
51	115
52	118
53	119
54	121
55	122
56	125
57	127
58	131
59	133
60	134
61	137
62	139
63	142
64	145
65	146

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	25
13	26
14	29
15	31
16	34
17	37
18	38
19	41
20	43
21	46
22	47
23	49
24	53
25	58
26	59
27	61
28	62
29	65
30	67
31	71
32	73
33	74
34	77
35	79
36	82
37	83
38	85
39	86
40	89
41	94
42	95
43	97
44	98
45	101
46	103
47	106
48	107
49	109
50	113
51	115
52	118
53	119
54	121
55	122
56	125
57	127
58	131
59	133
60	134
61	137
62	139
63	142
64	145
65	146

cp's OEIS Frontend

A243047 Numbers n such that k*n/(k-n) and k*n/(k+n) are both never integers for k > 0.

Table of values

List of values

A243047 Numbers n such that kn/(k-n) and kn/(k+n) are both never integers for k > 0.

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	25
13	26
14	29
15	31
16	34
17	37
18	38
19	41
20	43
21	46
22	47
23	49
24	53
25	58
26	59
27	61
28	62
29	65
30	67
31	71
32	73
33	74
34	77
35	79
36	82
37	83
38	85
39	86
40	89
41	94
42	95
43	97
44	98
45	101
46	103
47	106
48	107
49	109
50	113
51	115
52	118
53	119
54	121
55	122
56	125
57	127
58	131
59	133
60	134
61	137
62	139
63	142
64	145
65	146