A250042 - cp's OEIS frontend

A250042 Numbers n such that m = floor(n/9) is coprime to n and, if nonzero, m is also a term of the sequence.

n	a(n)
1	1
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	17
11	82
12	83
13	85
14	86
15	88
16	89
17	91
18	93
19	97
20	100
21	101
22	102
23	103
24	104
25	105
26	106
27	107
28	109
29	113
30	115
31	118
32	119
33	120
34	121
35	122
36	123
37	124
38	125
39	127
40	129
41	131
42	136
43	137
44	139
45	142
46	143
47	145
48	147
49	149
50	151
51	154
52	155
53	156
54	157
55	158

[1, 9, 10, 11, 12, 13, 14, 15, 16, 17, 82, 83, 85, 86, 88, 89, 91, 93, 97, 100, 101, 102, 103, 104, 105, 106, 107, 109, 113, 115, 118, 119, 120, 121, 122, 123, 124, 125, 127, 129, 131, 136, 137, 139, 142, 143, 145, 147, 149, 151, 154, 155, 156, 157, 158]

cp's OEIS Frontend

A250042 Numbers n such that m = floor(n/9) is coprime to n and, if nonzero, m is also a term of the sequence.

Table of values

List of values

n	a(n)
1	1
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	17
11	82
12	83
13	85
14	86
15	88
16	89
17	91
18	93
19	97
20	100
21	101
22	102
23	103
24	104
25	105
26	106
27	107
28	109
29	113
30	115
31	118
32	119
33	120
34	121
35	122
36	123
37	124
38	125
39	127
40	129
41	131
42	136
43	137
44	139
45	142
46	143
47	145
48	147
49	149
50	151
51	154
52	155
53	156
54	157
55	158

n	a(n)
1	1
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	17
11	82
12	83
13	85
14	86
15	88
16	89
17	91
18	93
19	97
20	100
21	101
22	102
23	103
24	104
25	105
26	106
27	107
28	109
29	113
30	115
31	118
32	119
33	120
34	121
35	122
36	123
37	124
38	125
39	127
40	129
41	131
42	136
43	137
44	139
45	142
46	143
47	145
48	147
49	149
50	151
51	154
52	155
53	156
54	157
55	158

n	a(n)
1	1
2	9
3	10
4	11
5	12
6	13
7	14
8	15
9	16
10	17
11	82
12	83
13	85
14	86
15	88
16	89
17	91
18	93
19	97
20	100
21	101
22	102
23	103
24	104
25	105
26	106
27	107
28	109
29	113
30	115
31	118
32	119
33	120
34	121
35	122
36	123
37	124
38	125
39	127
40	129
41	131
42	136
43	137
44	139
45	142
46	143
47	145
48	147
49	149
50	151
51	154
52	155
53	156
54	157
55	158