A089648 - cp's OEIS frontend

A089648 Numbers whose numbers of zeros and ones in binary representation differ at most by 1.

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	9
8	10
9	12
10	17
11	18
12	19
13	20
14	21
15	22
16	24
17	25
18	26
19	28
20	35
21	37
22	38
23	41
24	42
25	44
26	49
27	50
28	52
29	56
30	67
31	69
32	70
33	71
34	73
35	74
36	75
37	76
38	77
39	78
40	81
41	82
42	83
43	84
44	85
45	86
46	88
47	89
48	90
49	92
50	97
51	98
52	99
53	100
54	101
55	102
56	104
57	105
58	106
59	108
60	112
61	113
62	114
63	116
64	120
65	135
66	139

[0, 1, 2, 4, 5, 6, 9, 10, 12, 17, 18, 19, 20, 21, 22, 24, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56, 67, 69, 70, 71, 73, 74, 75, 76, 77, 78, 81, 82, 83, 84, 85, 86, 88, 89, 90, 92, 97, 98, 99, 100, 101, 102, 104, 105, 106, 108, 112, 113, 114, 116, 120, 135, 139]

cp's OEIS Frontend

A089648 Numbers whose numbers of zeros and ones in binary representation differ at most by 1.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	9
8	10
9	12
10	17
11	18
12	19
13	20
14	21
15	22
16	24
17	25
18	26
19	28
20	35
21	37
22	38
23	41
24	42
25	44
26	49
27	50
28	52
29	56
30	67
31	69
32	70
33	71
34	73
35	74
36	75
37	76
38	77
39	78
40	81
41	82
42	83
43	84
44	85
45	86
46	88
47	89
48	90
49	92
50	97
51	98
52	99
53	100
54	101
55	102
56	104
57	105
58	106
59	108
60	112
61	113
62	114
63	116
64	120
65	135
66	139

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	9
8	10
9	12
10	17
11	18
12	19
13	20
14	21
15	22
16	24
17	25
18	26
19	28
20	35
21	37
22	38
23	41
24	42
25	44
26	49
27	50
28	52
29	56
30	67
31	69
32	70
33	71
34	73
35	74
36	75
37	76
38	77
39	78
40	81
41	82
42	83
43	84
44	85
45	86
46	88
47	89
48	90
49	92
50	97
51	98
52	99
53	100
54	101
55	102
56	104
57	105
58	106
59	108
60	112
61	113
62	114
63	116
64	120
65	135
66	139

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	9
8	10
9	12
10	17
11	18
12	19
13	20
14	21
15	22
16	24
17	25
18	26
19	28
20	35
21	37
22	38
23	41
24	42
25	44
26	49
27	50
28	52
29	56
30	67
31	69
32	70
33	71
34	73
35	74
36	75
37	76
38	77
39	78
40	81
41	82
42	83
43	84
44	85
45	86
46	88
47	89
48	90
49	92
50	97
51	98
52	99
53	100
54	101
55	102
56	104
57	105
58	106
59	108
60	112
61	113
62	114
63	116
64	120
65	135
66	139