A355166 - cp's OEIS frontend

A355166 Lexicographically earliest sequence of distinct positive integers such for any n > 0, n and a(n) are coprime and have no common 1-bits in their binary expansions.

n	a(n)
1	2
2	1
3	4
4	3
5	8
6	17
7	16
8	5
9	20
10	21
11	32
12	19
13	18
14	33
15	64
16	7
17	6
18	13
19	12
20	9
21	10
22	41
23	40
24	35
25	34
26	37
27	68
28	65
29	66
30	97
31	96
32	11
33	14
34	25
35	24
36	67
37	26
38	73
39	80
40	23
41	22
42	85
43	84
44	81
45	82
46	129
47	128
48	71
49	72
50	69
51	76
52	75
53	74
54	137
55	136
56	131
57	70
58	133
59	132
60	193
61	130
62	257
63	256
64	15
65	28

[2, 1, 4, 3, 8, 17, 16, 5, 20, 21, 32, 19, 18, 33, 64, 7, 6, 13, 12, 9, 10, 41, 40, 35, 34, 37, 68, 65, 66, 97, 96, 11, 14, 25, 24, 67, 26, 73, 80, 23, 22, 85, 84, 81, 82, 129, 128, 71, 72, 69, 76, 75, 74, 137, 136, 131, 70, 133, 132, 193, 130, 257, 256, 15, 28]

cp's OEIS Frontend

A355166 Lexicographically earliest sequence of distinct positive integers such for any n > 0, n and a(n) are coprime and have no common 1-bits in their binary expansions.

Table of values

List of values

n	a(n)
1	2
2	1
3	4
4	3
5	8
6	17
7	16
8	5
9	20
10	21
11	32
12	19
13	18
14	33
15	64
16	7
17	6
18	13
19	12
20	9
21	10
22	41
23	40
24	35
25	34
26	37
27	68
28	65
29	66
30	97
31	96
32	11
33	14
34	25
35	24
36	67
37	26
38	73
39	80
40	23
41	22
42	85
43	84
44	81
45	82
46	129
47	128
48	71
49	72
50	69
51	76
52	75
53	74
54	137
55	136
56	131
57	70
58	133
59	132
60	193
61	130
62	257
63	256
64	15
65	28

n	a(n)
1	2
2	1
3	4
4	3
5	8
6	17
7	16
8	5
9	20
10	21
11	32
12	19
13	18
14	33
15	64
16	7
17	6
18	13
19	12
20	9
21	10
22	41
23	40
24	35
25	34
26	37
27	68
28	65
29	66
30	97
31	96
32	11
33	14
34	25
35	24
36	67
37	26
38	73
39	80
40	23
41	22
42	85
43	84
44	81
45	82
46	129
47	128
48	71
49	72
50	69
51	76
52	75
53	74
54	137
55	136
56	131
57	70
58	133
59	132
60	193
61	130
62	257
63	256
64	15
65	28

n	a(n)
1	2
2	1
3	4
4	3
5	8
6	17
7	16
8	5
9	20
10	21
11	32
12	19
13	18
14	33
15	64
16	7
17	6
18	13
19	12
20	9
21	10
22	41
23	40
24	35
25	34
26	37
27	68
28	65
29	66
30	97
31	96
32	11
33	14
34	25
35	24
36	67
37	26
38	73
39	80
40	23
41	22
42	85
43	84
44	81
45	82
46	129
47	128
48	71
49	72
50	69
51	76
52	75
53	74
54	137
55	136
56	131
57	70
58	133
59	132
60	193
61	130
62	257
63	256
64	15
65	28