A247875 - cp's OEIS frontend

A247875 Numbers that are even or whose binary expansions contain one or more pairs of adjacent zeros when odd.

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	9
7	10
8	12
9	14
10	16
11	17
12	18
13	19
14	20
15	22
16	24
17	25
18	26
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	37
27	38
28	39
29	40
30	41
31	42
32	44
33	46
34	48
35	49
36	50
37	51
38	52
39	54
40	56
41	57
42	58
43	60
44	62
45	64
46	65
47	66
48	67
49	68
50	69
51	70
52	71
53	72
54	73
55	74
56	75
57	76
58	77
59	78
60	79
61	80
62	81
63	82
64	83
65	84
66	86

[0, 2, 4, 6, 8, 9, 10, 12, 14, 16, 17, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 46, 48, 49, 50, 51, 52, 54, 56, 57, 58, 60, 62, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 86]

cp's OEIS Frontend

A247875 Numbers that are even or whose binary expansions contain one or more pairs of adjacent zeros when odd.

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	9
7	10
8	12
9	14
10	16
11	17
12	18
13	19
14	20
15	22
16	24
17	25
18	26
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	37
27	38
28	39
29	40
30	41
31	42
32	44
33	46
34	48
35	49
36	50
37	51
38	52
39	54
40	56
41	57
42	58
43	60
44	62
45	64
46	65
47	66
48	67
49	68
50	69
51	70
52	71
53	72
54	73
55	74
56	75
57	76
58	77
59	78
60	79
61	80
62	81
63	82
64	83
65	84
66	86

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	9
7	10
8	12
9	14
10	16
11	17
12	18
13	19
14	20
15	22
16	24
17	25
18	26
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	37
27	38
28	39
29	40
30	41
31	42
32	44
33	46
34	48
35	49
36	50
37	51
38	52
39	54
40	56
41	57
42	58
43	60
44	62
45	64
46	65
47	66
48	67
49	68
50	69
51	70
52	71
53	72
54	73
55	74
56	75
57	76
58	77
59	78
60	79
61	80
62	81
63	82
64	83
65	84
66	86

n	a(n)
1	0
2	2
3	4
4	6
5	8
6	9
7	10
8	12
9	14
10	16
11	17
12	18
13	19
14	20
15	22
16	24
17	25
18	26
19	28
20	30
21	32
22	33
23	34
24	35
25	36
26	37
27	38
28	39
29	40
30	41
31	42
32	44
33	46
34	48
35	49
36	50
37	51
38	52
39	54
40	56
41	57
42	58
43	60
44	62
45	64
46	65
47	66
48	67
49	68
50	69
51	70
52	71
53	72
54	73
55	74
56	75
57	76
58	77
59	78
60	79
61	80
62	81
63	82
64	83
65	84
66	86