A166935 - cp's OEIS frontend

A166935 A positive integer n is included if the longest palindromic substring (or at least one of which that is tied for longest) in the binary representation of n consists of identically valued digits (all 0's or all 1's).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	12
9	14
10	15
11	16
12	23
13	24
14	28
15	29
16	30
17	31
18	32
19	40
20	47
21	48
22	56
23	58
24	60
25	61
26	62
27	63
28	64
29	79
30	80
31	95
32	96
33	104
34	112
35	116
36	120
37	121
38	122
39	124
40	125
41	126
42	127
43	128
44	159
45	160
46	176
47	191
48	192
49	208
50	223
51	224
52	232
53	240
54	242
55	244
56	248
57	249
58	250
59	251
60	252
61	253
62	254

[1, 2, 3, 4, 6, 7, 8, 12, 14, 15, 16, 23, 24, 28, 29, 30, 31, 32, 40, 47, 48, 56, 58, 60, 61, 62, 63, 64, 79, 80, 95, 96, 104, 112, 116, 120, 121, 122, 124, 125, 126, 127, 128, 159, 160, 176, 191, 192, 208, 223, 224, 232, 240, 242, 244, 248, 249, 250, 251, 252, 253, 254]

cp's OEIS Frontend

A166935 A positive integer n is included if the longest palindromic substring (or at least one of which that is tied for longest) in the binary representation of n consists of identically valued digits (all 0's or all 1's).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	12
9	14
10	15
11	16
12	23
13	24
14	28
15	29
16	30
17	31
18	32
19	40
20	47
21	48
22	56
23	58
24	60
25	61
26	62
27	63
28	64
29	79
30	80
31	95
32	96
33	104
34	112
35	116
36	120
37	121
38	122
39	124
40	125
41	126
42	127
43	128
44	159
45	160
46	176
47	191
48	192
49	208
50	223
51	224
52	232
53	240
54	242
55	244
56	248
57	249
58	250
59	251
60	252
61	253
62	254

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	12
9	14
10	15
11	16
12	23
13	24
14	28
15	29
16	30
17	31
18	32
19	40
20	47
21	48
22	56
23	58
24	60
25	61
26	62
27	63
28	64
29	79
30	80
31	95
32	96
33	104
34	112
35	116
36	120
37	121
38	122
39	124
40	125
41	126
42	127
43	128
44	159
45	160
46	176
47	191
48	192
49	208
50	223
51	224
52	232
53	240
54	242
55	244
56	248
57	249
58	250
59	251
60	252
61	253
62	254

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	7
7	8
8	12
9	14
10	15
11	16
12	23
13	24
14	28
15	29
16	30
17	31
18	32
19	40
20	47
21	48
22	56
23	58
24	60
25	61
26	62
27	63
28	64
29	79
30	80
31	95
32	96
33	104
34	112
35	116
36	120
37	121
38	122
39	124
40	125
41	126
42	127
43	128
44	159
45	160
46	176
47	191
48	192
49	208
50	223
51	224
52	232
53	240
54	242
55	244
56	248
57	249
58	250
59	251
60	252
61	253
62	254