A345352 - cp's OEIS frontend

A345352 The binary expansion of a(n) is obtained by left-padding the binary expansion of n with 0's so that it has 2^k digits for some k > 0 as small as possible and then reversing the first half and the second half of this binary expansion.

n	a(n)
0	0
1	1
2	2
3	3
4	8
5	10
6	9
7	11
8	4
9	6
10	5
11	7
12	12
13	14
14	13
15	15
16	128
17	136
18	132
19	140
20	130
21	138
22	134
23	142
24	129
25	137
26	133
27	141
28	131
29	139
30	135
31	143
32	64
33	72
34	68
35	76
36	66
37	74
38	70
39	78
40	65
41	73
42	69
43	77
44	67
45	75
46	71
47	79
48	192
49	200
50	196
51	204
52	194
53	202
54	198
55	206
56	193
57	201
58	197
59	205

[0, 1, 2, 3, 8, 10, 9, 11, 4, 6, 5, 7, 12, 14, 13, 15, 128, 136, 132, 140, 130, 138, 134, 142, 129, 137, 133, 141, 131, 139, 135, 143, 64, 72, 68, 76, 66, 74, 70, 78, 65, 73, 69, 77, 67, 75, 71, 79, 192, 200, 196, 204, 194, 202, 198, 206, 193, 201, 197, 205]

cp's OEIS Frontend

A345352 The binary expansion of a(n) is obtained by left-padding the binary expansion of n with 0's so that it has 2^k digits for some k > 0 as small as possible and then reversing the first half and the second half of this binary expansion.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	8
5	10
6	9
7	11
8	4
9	6
10	5
11	7
12	12
13	14
14	13
15	15
16	128
17	136
18	132
19	140
20	130
21	138
22	134
23	142
24	129
25	137
26	133
27	141
28	131
29	139
30	135
31	143
32	64
33	72
34	68
35	76
36	66
37	74
38	70
39	78
40	65
41	73
42	69
43	77
44	67
45	75
46	71
47	79
48	192
49	200
50	196
51	204
52	194
53	202
54	198
55	206
56	193
57	201
58	197
59	205

n	a(n)
0	0
1	1
2	2
3	3
4	8
5	10
6	9
7	11
8	4
9	6
10	5
11	7
12	12
13	14
14	13
15	15
16	128
17	136
18	132
19	140
20	130
21	138
22	134
23	142
24	129
25	137
26	133
27	141
28	131
29	139
30	135
31	143
32	64
33	72
34	68
35	76
36	66
37	74
38	70
39	78
40	65
41	73
42	69
43	77
44	67
45	75
46	71
47	79
48	192
49	200
50	196
51	204
52	194
53	202
54	198
55	206
56	193
57	201
58	197
59	205

n	a(n)
0	0
1	1
2	2
3	3
4	8
5	10
6	9
7	11
8	4
9	6
10	5
11	7
12	12
13	14
14	13
15	15
16	128
17	136
18	132
19	140
20	130
21	138
22	134
23	142
24	129
25	137
26	133
27	141
28	131
29	139
30	135
31	143
32	64
33	72
34	68
35	76
36	66
37	74
38	70
39	78
40	65
41	73
42	69
43	77
44	67
45	75
46	71
47	79
48	192
49	200
50	196
51	204
52	194
53	202
54	198
55	206
56	193
57	201
58	197
59	205