A107909 - cp's OEIS frontend

A107909 Numbers having no consecutive zeros or no consecutive ones in binary representation.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	23
22	26
23	27
24	29
25	30
26	31
27	32
28	33
29	34
30	36
31	37
32	40
33	41
34	42
35	43
36	45
37	46
38	47
39	53
40	54
41	55
42	58
43	59
44	61
45	62
46	63
47	64
48	65
49	66
50	68
51	69
52	72
53	73
54	74
55	80
56	81
57	82
58	84
59	85
60	86
61	87
62	90
63	91
64	93
65	94
66	95
67	106
68	107
69	109
70	110
71	111

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 26, 27, 29, 30, 31, 32, 33, 34, 36, 37, 40, 41, 42, 43, 45, 46, 47, 53, 54, 55, 58, 59, 61, 62, 63, 64, 65, 66, 68, 69, 72, 73, 74, 80, 81, 82, 84, 85, 86, 87, 90, 91, 93, 94, 95, 106, 107, 109, 110, 111]

cp's OEIS Frontend

A107909 Numbers having no consecutive zeros or no consecutive ones in binary representation.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	23
22	26
23	27
24	29
25	30
26	31
27	32
28	33
29	34
30	36
31	37
32	40
33	41
34	42
35	43
36	45
37	46
38	47
39	53
40	54
41	55
42	58
43	59
44	61
45	62
46	63
47	64
48	65
49	66
50	68
51	69
52	72
53	73
54	74
55	80
56	81
57	82
58	84
59	85
60	86
61	87
62	90
63	91
64	93
65	94
66	95
67	106
68	107
69	109
70	110
71	111

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	23
22	26
23	27
24	29
25	30
26	31
27	32
28	33
29	34
30	36
31	37
32	40
33	41
34	42
35	43
36	45
37	46
38	47
39	53
40	54
41	55
42	58
43	59
44	61
45	62
46	63
47	64
48	65
49	66
50	68
51	69
52	72
53	73
54	74
55	80
56	81
57	82
58	84
59	85
60	86
61	87
62	90
63	91
64	93
65	94
66	95
67	106
68	107
69	109
70	110
71	111

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	23
22	26
23	27
24	29
25	30
26	31
27	32
28	33
29	34
30	36
31	37
32	40
33	41
34	42
35	43
36	45
37	46
38	47
39	53
40	54
41	55
42	58
43	59
44	61
45	62
46	63
47	64
48	65
49	66
50	68
51	69
52	72
53	73
54	74
55	80
56	81
57	82
58	84
59	85
60	86
61	87
62	90
63	91
64	93
65	94
66	95
67	106
68	107
69	109
70	110
71	111