A359527 - cp's OEIS frontend

A359527 Nonnegative numbers k such that if 2^i and 2^j appear in the binary expansion of k, then 2^(i OR j) also appears in the binary expansion of k (where OR denotes the bitwise OR operator).

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	32
18	33
19	34
20	35
21	48
22	49
23	50
24	51
25	64
26	65
27	68
28	69
29	80
30	81
31	84
32	85
33	128
34	129
35	130
36	131
37	132
38	133
39	136
40	137
41	138
42	139
43	140
44	141
45	142
46	143
47	144
48	145
49	152
50	153
51	160
52	161
53	162
54	163
55	164
56	165
57	168
58	169
59	170
60	171

[0, 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 32, 33, 34, 35, 48, 49, 50, 51, 64, 65, 68, 69, 80, 81, 84, 85, 128, 129, 130, 131, 132, 133, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 152, 153, 160, 161, 162, 163, 164, 165, 168, 169, 170, 171]

cp's OEIS Frontend

A359527 Nonnegative numbers k such that if 2^i and 2^j appear in the binary expansion of k, then 2^(i OR j) also appears in the binary expansion of k (where OR denotes the bitwise OR operator).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	32
18	33
19	34
20	35
21	48
22	49
23	50
24	51
25	64
26	65
27	68
28	69
29	80
30	81
31	84
32	85
33	128
34	129
35	130
36	131
37	132
38	133
39	136
40	137
41	138
42	139
43	140
44	141
45	142
46	143
47	144
48	145
49	152
50	153
51	160
52	161
53	162
54	163
55	164
56	165
57	168
58	169
59	170
60	171

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	32
18	33
19	34
20	35
21	48
22	49
23	50
24	51
25	64
26	65
27	68
28	69
29	80
30	81
31	84
32	85
33	128
34	129
35	130
36	131
37	132
38	133
39	136
40	137
41	138
42	139
43	140
44	141
45	142
46	143
47	144
48	145
49	152
50	153
51	160
52	161
53	162
54	163
55	164
56	165
57	168
58	169
59	170
60	171

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	32
18	33
19	34
20	35
21	48
22	49
23	50
24	51
25	64
26	65
27	68
28	69
29	80
30	81
31	84
32	85
33	128
34	129
35	130
36	131
37	132
38	133
39	136
40	137
41	138
42	139
43	140
44	141
45	142
46	143
47	144
48	145
49	152
50	153
51	160
52	161
53	162
54	163
55	164
56	165
57	168
58	169
59	170
60	171