A328668 - cp's OEIS frontend

A328668 Numbers whose binary expansion, without the most significant digit, is a necklace.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	15
11	16
12	17
13	19
14	21
15	23
16	31
17	32
18	33
19	35
20	37
21	39
22	43
23	47
24	63
25	64
26	65
27	67
28	69
29	71
30	73
31	75
32	77
33	79
34	85
35	87
36	91
37	95
38	127
39	128
40	129
41	131
42	133
43	135
44	137
45	139
46	141
47	143
48	147
49	149
50	151
51	155
52	157
53	159
54	171
55	175
56	183
57	191
58	255
59	256
60	257

[0, 1, 2, 3, 4, 5, 7, 8, 9, 11, 15, 16, 17, 19, 21, 23, 31, 32, 33, 35, 37, 39, 43, 47, 63, 64, 65, 67, 69, 71, 73, 75, 77, 79, 85, 87, 91, 95, 127, 128, 129, 131, 133, 135, 137, 139, 141, 143, 147, 149, 151, 155, 157, 159, 171, 175, 183, 191, 255, 256, 257]

cp's OEIS Frontend

A328668 Numbers whose binary expansion, without the most significant digit, is a necklace.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	15
11	16
12	17
13	19
14	21
15	23
16	31
17	32
18	33
19	35
20	37
21	39
22	43
23	47
24	63
25	64
26	65
27	67
28	69
29	71
30	73
31	75
32	77
33	79
34	85
35	87
36	91
37	95
38	127
39	128
40	129
41	131
42	133
43	135
44	137
45	139
46	141
47	143
48	147
49	149
50	151
51	155
52	157
53	159
54	171
55	175
56	183
57	191
58	255
59	256
60	257

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	15
11	16
12	17
13	19
14	21
15	23
16	31
17	32
18	33
19	35
20	37
21	39
22	43
23	47
24	63
25	64
26	65
27	67
28	69
29	71
30	73
31	75
32	77
33	79
34	85
35	87
36	91
37	95
38	127
39	128
40	129
41	131
42	133
43	135
44	137
45	139
46	141
47	143
48	147
49	149
50	151
51	155
52	157
53	159
54	171
55	175
56	183
57	191
58	255
59	256
60	257

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	15
11	16
12	17
13	19
14	21
15	23
16	31
17	32
18	33
19	35
20	37
21	39
22	43
23	47
24	63
25	64
26	65
27	67
28	69
29	71
30	73
31	75
32	77
33	79
34	85
35	87
36	91
37	95
38	127
39	128
40	129
41	131
42	133
43	135
44	137
45	139
46	141
47	143
48	147
49	149
50	151
51	155
52	157
53	159
54	171
55	175
56	183
57	191
58	255
59	256
60	257