A036990 - cp's OEIS frontend

A036990 Numbers n such that, in the binary expansion of n, reading from right to left, the number of 1's never exceeds the number of 0's.

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	44
17	48
18	50
19	52
20	56
21	64
22	66
23	68
24	72
25	74
26	76
27	80
28	82
29	84
30	88
31	96
32	98
33	100
34	104
35	112
36	128
37	130
38	132
39	136
40	138
41	140
42	144
43	146
44	148
45	152
46	160
47	162
48	164
49	168
50	170
51	172
52	176
53	178
54	180
55	184
56	192
57	194
58	196
59	200
60	202
61	204

[0, 2, 4, 8, 10, 12, 16, 18, 20, 24, 32, 34, 36, 40, 42, 44, 48, 50, 52, 56, 64, 66, 68, 72, 74, 76, 80, 82, 84, 88, 96, 98, 100, 104, 112, 128, 130, 132, 136, 138, 140, 144, 146, 148, 152, 160, 162, 164, 168, 170, 172, 176, 178, 180, 184, 192, 194, 196, 200, 202, 204]

cp's OEIS Frontend

A036990 Numbers n such that, in the binary expansion of n, reading from right to left, the number of 1's never exceeds the number of 0's.

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	44
17	48
18	50
19	52
20	56
21	64
22	66
23	68
24	72
25	74
26	76
27	80
28	82
29	84
30	88
31	96
32	98
33	100
34	104
35	112
36	128
37	130
38	132
39	136
40	138
41	140
42	144
43	146
44	148
45	152
46	160
47	162
48	164
49	168
50	170
51	172
52	176
53	178
54	180
55	184
56	192
57	194
58	196
59	200
60	202
61	204

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	44
17	48
18	50
19	52
20	56
21	64
22	66
23	68
24	72
25	74
26	76
27	80
28	82
29	84
30	88
31	96
32	98
33	100
34	104
35	112
36	128
37	130
38	132
39	136
40	138
41	140
42	144
43	146
44	148
45	152
46	160
47	162
48	164
49	168
50	170
51	172
52	176
53	178
54	180
55	184
56	192
57	194
58	196
59	200
60	202
61	204

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	44
17	48
18	50
19	52
20	56
21	64
22	66
23	68
24	72
25	74
26	76
27	80
28	82
29	84
30	88
31	96
32	98
33	100
34	104
35	112
36	128
37	130
38	132
39	136
40	138
41	140
42	144
43	146
44	148
45	152
46	160
47	162
48	164
49	168
50	170
51	172
52	176
53	178
54	180
55	184
56	192
57	194
58	196
59	200
60	202
61	204