A330081 - cp's OEIS frontend

A330081 If the binary expansion of n is (b(1), ..., b(w)), then the binary expansion of a(n) is (b(1), b(3), b(5), ..., b(6), b(4), b(2)).

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

[0, 1, 2, 3, 4, 6, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15, 16, 20, 18, 22, 24, 28, 26, 30, 17, 21, 19, 23, 25, 29, 27, 31, 32, 36, 40, 44, 34, 38, 42, 46, 48, 52, 56, 60, 50, 54, 58, 62, 33, 37, 41, 45, 35, 39, 43, 47, 49, 53, 57, 61, 51, 55, 59, 63, 64, 72, 68, 76]

cp's OEIS Frontend

A330081 If the binary expansion of n is (b(1), ..., b(w)), then the binary expansion of a(n) is (b(1), b(3), b(5), ..., b(6), b(4), b(2)).

Table of values

List of values

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

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

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