A264596 - cp's OEIS frontend

A264596 Let S_n be the list of the first n nonnegative numbers written in binary, with least significant bits on the left, and sorted into lexicographic order; a(n) = position of n in S_n, starting indexing at 0.

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	4
6	3
7	7
8	1
9	6
10	4
11	10
12	3
13	10
14	7
15	15
16	1
17	10
18	6
19	16
20	4
21	15
22	10
23	22
24	3
25	16
26	10
27	24
28	7
29	22
30	15
31	31
32	1
33	18
34	10
35	28
36	6
37	25
38	16
39	36
40	4
41	25
42	15
43	37
44	10
45	33
46	22
47	46
48	3
49	28
50	16
51	42
52	10
53	37
54	24
55	52
56	7
57	36
58	22
59	52
60	15
61	46
62	31
63	63
64	1
65	34
66	18
67	52
68	10
69	45
70	28

[0, 1, 1, 3, 1, 4, 3, 7, 1, 6, 4, 10, 3, 10, 7, 15, 1, 10, 6, 16, 4, 15, 10, 22, 3, 16, 10, 24, 7, 22, 15, 31, 1, 18, 10, 28, 6, 25, 16, 36, 4, 25, 15, 37, 10, 33, 22, 46, 3, 28, 16, 42, 10, 37, 24, 52, 7, 36, 22, 52, 15, 46, 31, 63, 1, 34, 18, 52, 10, 45, 28]

cp's OEIS Frontend

A264596 Let S_n be the list of the first n nonnegative numbers written in binary, with least significant bits on the left, and sorted into lexicographic order; a(n) = position of n in S_n, starting indexing at 0.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	4
6	3
7	7
8	1
9	6
10	4
11	10
12	3
13	10
14	7
15	15
16	1
17	10
18	6
19	16
20	4
21	15
22	10
23	22
24	3
25	16
26	10
27	24
28	7
29	22
30	15
31	31
32	1
33	18
34	10
35	28
36	6
37	25
38	16
39	36
40	4
41	25
42	15
43	37
44	10
45	33
46	22
47	46
48	3
49	28
50	16
51	42
52	10
53	37
54	24
55	52
56	7
57	36
58	22
59	52
60	15
61	46
62	31
63	63
64	1
65	34
66	18
67	52
68	10
69	45
70	28

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	4
6	3
7	7
8	1
9	6
10	4
11	10
12	3
13	10
14	7
15	15
16	1
17	10
18	6
19	16
20	4
21	15
22	10
23	22
24	3
25	16
26	10
27	24
28	7
29	22
30	15
31	31
32	1
33	18
34	10
35	28
36	6
37	25
38	16
39	36
40	4
41	25
42	15
43	37
44	10
45	33
46	22
47	46
48	3
49	28
50	16
51	42
52	10
53	37
54	24
55	52
56	7
57	36
58	22
59	52
60	15
61	46
62	31
63	63
64	1
65	34
66	18
67	52
68	10
69	45
70	28

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	4
6	3
7	7
8	1
9	6
10	4
11	10
12	3
13	10
14	7
15	15
16	1
17	10
18	6
19	16
20	4
21	15
22	10
23	22
24	3
25	16
26	10
27	24
28	7
29	22
30	15
31	31
32	1
33	18
34	10
35	28
36	6
37	25
38	16
39	36
40	4
41	25
42	15
43	37
44	10
45	33
46	22
47	46
48	3
49	28
50	16
51	42
52	10
53	37
54	24
55	52
56	7
57	36
58	22
59	52
60	15
61	46
62	31
63	63
64	1
65	34
66	18
67	52
68	10
69	45
70	28