A359528 - cp's OEIS frontend

A359528 Nonnegative numbers k such that if 2^i and 2^j appear in the binary expansion of k, then 2^(i AND j) also appears in the binary expansion of k (where AND denotes the bitwise AND operator).

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	19
18	21
19	23
20	25
21	27
22	29
23	31
24	32
25	33
26	34
27	35
28	37
29	39
30	42
31	43
32	47
33	48
34	49
35	51
36	53
37	55
38	59
39	63
40	64
41	65
42	67
43	68
44	69
45	71
46	76
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	93
55	95
56	112
57	113
58	115
59	117
60	119
61	127
62	128
63	129
64	130
65	131

[0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 19, 21, 23, 25, 27, 29, 31, 32, 33, 34, 35, 37, 39, 42, 43, 47, 48, 49, 51, 53, 55, 59, 63, 64, 65, 67, 68, 69, 71, 76, 77, 79, 80, 81, 83, 85, 87, 93, 95, 112, 113, 115, 117, 119, 127, 128, 129, 130, 131]

cp's OEIS Frontend

A359528 Nonnegative numbers k such that if 2^i and 2^j appear in the binary expansion of k, then 2^(i AND j) also appears in the binary expansion of k (where AND denotes the bitwise AND operator).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	19
18	21
19	23
20	25
21	27
22	29
23	31
24	32
25	33
26	34
27	35
28	37
29	39
30	42
31	43
32	47
33	48
34	49
35	51
36	53
37	55
38	59
39	63
40	64
41	65
42	67
43	68
44	69
45	71
46	76
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	93
55	95
56	112
57	113
58	115
59	117
60	119
61	127
62	128
63	129
64	130
65	131

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	19
18	21
19	23
20	25
21	27
22	29
23	31
24	32
25	33
26	34
27	35
28	37
29	39
30	42
31	43
32	47
33	48
34	49
35	51
36	53
37	55
38	59
39	63
40	64
41	65
42	67
43	68
44	69
45	71
46	76
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	93
55	95
56	112
57	113
58	115
59	117
60	119
61	127
62	128
63	129
64	130
65	131

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	17
17	19
18	21
19	23
20	25
21	27
22	29
23	31
24	32
25	33
26	34
27	35
28	37
29	39
30	42
31	43
32	47
33	48
34	49
35	51
36	53
37	55
38	59
39	63
40	64
41	65
42	67
43	68
44	69
45	71
46	76
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	93
55	95
56	112
57	113
58	115
59	117
60	119
61	127
62	128
63	129
64	130
65	131