A105054 - cp's OEIS frontend

A105054 a(n) is the n-th positive integer among those which do not occur earlier in the sequence and which are coprime to n.

n	a(n)
1	1
2	5
3	7
4	13
5	8
6	29
7	11
8	25
9	22
10	37
11	17
12	61
13	20
14	51
15	44
16	49
17	27
18	85
19	32
20	77
21	59
22	75
23	38
24	113
25	47
26	93
27	68
28	101
29	45
30	163
31	52
32	105
33	83
34	115
35	76
36	167
37	58
38	131
39	103
40	149
41	66
42	221
43	70
44	153
45	133
46	155
47	74
48	223
49	90
50	187
51	127
52	183
53	87
54	251
55	109
56	207
57	142
58	193
59	95
60	329
61	98
62	205
63	173

[1, 5, 7, 13, 8, 29, 11, 25, 22, 37, 17, 61, 20, 51, 44, 49, 27, 85, 32, 77, 59, 75, 38, 113, 47, 93, 68, 101, 45, 163, 52, 105, 83, 115, 76, 167, 58, 131, 103, 149, 66, 221, 70, 153, 133, 155, 74, 223, 90, 187, 127, 183, 87, 251, 109, 207, 142, 193, 95, 329, 98, 205, 173]

cp's OEIS Frontend

A105054 a(n) is the n-th positive integer among those which do not occur earlier in the sequence and which are coprime to n.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	13
5	8
6	29
7	11
8	25
9	22
10	37
11	17
12	61
13	20
14	51
15	44
16	49
17	27
18	85
19	32
20	77
21	59
22	75
23	38
24	113
25	47
26	93
27	68
28	101
29	45
30	163
31	52
32	105
33	83
34	115
35	76
36	167
37	58
38	131
39	103
40	149
41	66
42	221
43	70
44	153
45	133
46	155
47	74
48	223
49	90
50	187
51	127
52	183
53	87
54	251
55	109
56	207
57	142
58	193
59	95
60	329
61	98
62	205
63	173

n	a(n)
1	1
2	5
3	7
4	13
5	8
6	29
7	11
8	25
9	22
10	37
11	17
12	61
13	20
14	51
15	44
16	49
17	27
18	85
19	32
20	77
21	59
22	75
23	38
24	113
25	47
26	93
27	68
28	101
29	45
30	163
31	52
32	105
33	83
34	115
35	76
36	167
37	58
38	131
39	103
40	149
41	66
42	221
43	70
44	153
45	133
46	155
47	74
48	223
49	90
50	187
51	127
52	183
53	87
54	251
55	109
56	207
57	142
58	193
59	95
60	329
61	98
62	205
63	173

n	a(n)
1	1
2	5
3	7
4	13
5	8
6	29
7	11
8	25
9	22
10	37
11	17
12	61
13	20
14	51
15	44
16	49
17	27
18	85
19	32
20	77
21	59
22	75
23	38
24	113
25	47
26	93
27	68
28	101
29	45
30	163
31	52
32	105
33	83
34	115
35	76
36	167
37	58
38	131
39	103
40	149
41	66
42	221
43	70
44	153
45	133
46	155
47	74
48	223
49	90
50	187
51	127
52	183
53	87
54	251
55	109
56	207
57	142
58	193
59	95
60	329
61	98
62	205
63	173