A063946 - cp's OEIS frontend

A063946 Write n in binary and complement second bit (from the left), with a(0)=0 and a(1)=1.

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	7
6	4
7	5
8	12
9	13
10	14
11	15
12	8
13	9
14	10
15	11
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	16
25	17
26	18
27	19
28	20
29	21
30	22
31	23
32	48
33	49
34	50
35	51
36	52
37	53
38	54
39	55
40	56
41	57
42	58
43	59
44	60
45	61
46	62
47	63
48	32
49	33
50	34
51	35
52	36
53	37
54	38
55	39
56	40
57	41
58	42
59	43
60	44
61	45
62	46
63	47
64	96
65	97
66	98
67	99
68	100
69	101
70	102

[0, 1, 3, 2, 6, 7, 4, 5, 12, 13, 14, 15, 8, 9, 10, 11, 24, 25, 26, 27, 28, 29, 30, 31, 16, 17, 18, 19, 20, 21, 22, 23, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 96, 97, 98, 99, 100, 101, 102]

cp's OEIS Frontend

A063946 Write n in binary and complement second bit (from the left), with a(0)=0 and a(1)=1.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	7
6	4
7	5
8	12
9	13
10	14
11	15
12	8
13	9
14	10
15	11
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	16
25	17
26	18
27	19
28	20
29	21
30	22
31	23
32	48
33	49
34	50
35	51
36	52
37	53
38	54
39	55
40	56
41	57
42	58
43	59
44	60
45	61
46	62
47	63
48	32
49	33
50	34
51	35
52	36
53	37
54	38
55	39
56	40
57	41
58	42
59	43
60	44
61	45
62	46
63	47
64	96
65	97
66	98
67	99
68	100
69	101
70	102

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	7
6	4
7	5
8	12
9	13
10	14
11	15
12	8
13	9
14	10
15	11
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	16
25	17
26	18
27	19
28	20
29	21
30	22
31	23
32	48
33	49
34	50
35	51
36	52
37	53
38	54
39	55
40	56
41	57
42	58
43	59
44	60
45	61
46	62
47	63
48	32
49	33
50	34
51	35
52	36
53	37
54	38
55	39
56	40
57	41
58	42
59	43
60	44
61	45
62	46
63	47
64	96
65	97
66	98
67	99
68	100
69	101
70	102

n	a(n)
0	0
1	1
2	3
3	2
4	6
5	7
6	4
7	5
8	12
9	13
10	14
11	15
12	8
13	9
14	10
15	11
16	24
17	25
18	26
19	27
20	28
21	29
22	30
23	31
24	16
25	17
26	18
27	19
28	20
29	21
30	22
31	23
32	48
33	49
34	50
35	51
36	52
37	53
38	54
39	55
40	56
41	57
42	58
43	59
44	60
45	61
46	62
47	63
48	32
49	33
50	34
51	35
52	36
53	37
54	38
55	39
56	40
57	41
58	42
59	43
60	44
61	45
62	46
63	47
64	96
65	97
66	98
67	99
68	100
69	101
70	102