A161373 - cp's OEIS frontend

A161373 "Early bird" binary numbers: write the natural numbers in binary representation in a string 011011100101110111.... Sequence gives numbers which occur in the string strictly ahead of their natural place.

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	33
26	34
27	35
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	65

[3, 5, 6, 7, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65]

cp's OEIS Frontend

A161373 "Early bird" binary numbers: write the natural numbers in binary representation in a string 011011100101110111.... Sequence gives numbers which occur in the string strictly ahead of their natural place.

Table of values

List of values

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	33
26	34
27	35
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	65

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	33
26	34
27	35
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	65

n	a(n)
1	3
2	5
3	6
4	7
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	33
26	34
27	35
28	37
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	47
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	65