A053645 - cp's OEIS frontend

A053645 Distance to largest power of 2 less than or equal to n; write n in binary, change the first digit to zero, and convert back to decimal.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	3
8	0
9	1
10	2
11	3
12	4
13	5
14	6
15	7
16	0
17	1
18	2
19	3
20	4
21	5
22	6
23	7
24	8
25	9
26	10
27	11
28	12
29	13
30	14
31	15
32	0
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	11
44	12
45	13
46	14
47	15
48	16
49	17
50	18
51	19
52	20
53	21
54	22
55	23
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	0
65	1
66	2
67	3
68	4
69	5
70	6
71	7
72	8
73	9
74	10
75	11
76	12
77	13
78	14
79	15
80	16
81	17
82	18
83	19
84	20

[0, 0, 1, 0, 1, 2, 3, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]

cp's OEIS Frontend

A053645 Distance to largest power of 2 less than or equal to n; write n in binary, change the first digit to zero, and convert back to decimal.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	3
8	0
9	1
10	2
11	3
12	4
13	5
14	6
15	7
16	0
17	1
18	2
19	3
20	4
21	5
22	6
23	7
24	8
25	9
26	10
27	11
28	12
29	13
30	14
31	15
32	0
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	11
44	12
45	13
46	14
47	15
48	16
49	17
50	18
51	19
52	20
53	21
54	22
55	23
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	0
65	1
66	2
67	3
68	4
69	5
70	6
71	7
72	8
73	9
74	10
75	11
76	12
77	13
78	14
79	15
80	16
81	17
82	18
83	19
84	20

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	3
8	0
9	1
10	2
11	3
12	4
13	5
14	6
15	7
16	0
17	1
18	2
19	3
20	4
21	5
22	6
23	7
24	8
25	9
26	10
27	11
28	12
29	13
30	14
31	15
32	0
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	11
44	12
45	13
46	14
47	15
48	16
49	17
50	18
51	19
52	20
53	21
54	22
55	23
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	0
65	1
66	2
67	3
68	4
69	5
70	6
71	7
72	8
73	9
74	10
75	11
76	12
77	13
78	14
79	15
80	16
81	17
82	18
83	19
84	20

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	3
8	0
9	1
10	2
11	3
12	4
13	5
14	6
15	7
16	0
17	1
18	2
19	3
20	4
21	5
22	6
23	7
24	8
25	9
26	10
27	11
28	12
29	13
30	14
31	15
32	0
33	1
34	2
35	3
36	4
37	5
38	6
39	7
40	8
41	9
42	10
43	11
44	12
45	13
46	14
47	15
48	16
49	17
50	18
51	19
52	20
53	21
54	22
55	23
56	24
57	25
58	26
59	27
60	28
61	29
62	30
63	31
64	0
65	1
66	2
67	3
68	4
69	5
70	6
71	7
72	8
73	9
74	10
75	11
76	12
77	13
78	14
79	15
80	16
81	17
82	18
83	19
84	20