A331895 - cp's OEIS frontend

A331895 Positive numbers k such that the binary and negabinary representations of k and the negabinary representation of -k are all palindromic.

n	a(n)
1	1
2	5
3	7
4	17
5	21
6	31
7	65
8	85
9	127
10	257
11	273
12	325
13	341
14	455
15	511
16	1025
17	1105
18	1285
19	1365
20	1799
21	2047
22	4097
23	4161
24	4369
25	4433
26	5125
27	5189
28	5397
29	5461
30	7175
31	7967
32	8191
33	16385
34	16705
35	17425
36	17745
37	20485
38	20805
39	21525
40	21845
41	28679
42	29127
43	31775
44	32767
45	65537
46	65793

[1, 5, 7, 17, 21, 31, 65, 85, 127, 257, 273, 325, 341, 455, 511, 1025, 1105, 1285, 1365, 1799, 2047, 4097, 4161, 4369, 4433, 5125, 5189, 5397, 5461, 7175, 7967, 8191, 16385, 16705, 17425, 17745, 20485, 20805, 21525, 21845, 28679, 29127, 31775, 32767, 65537, 65793]

cp's OEIS Frontend

A331895 Positive numbers k such that the binary and negabinary representations of k and the negabinary representation of -k are all palindromic.

Table of values

List of values