A161501 - cp's OEIS frontend

A161501 a(n) is the smallest positive integer that is a palindrome when represented in binary, and is made by appending some number (zero or more) of binary digits on the right of n's binary representation.

n	a(n)
1	1
2	5
3	3
4	9
5	5
6	27
7	7
8	17
9	9
10	21
11	45
12	51
13	27
14	119
15	15
16	33
17	17
18	73
19	153
20	165
21	21
22	45
23	93
24	99
25	51
26	107
27	27
28	231
29	119
30	495
31	31
32	65
33	33
34	273
35	561
36	73
37	297
38	153
39	313
40	325
41	165
42	85
43	693
44	717
45	45
46	93
47	189
48	195
49	99
50	403
51	51
52	843
53	107
54	219
55	443
56	455
57	231
58	471
59	119
60	975
61	495
62	2015

[1, 5, 3, 9, 5, 27, 7, 17, 9, 21, 45, 51, 27, 119, 15, 33, 17, 73, 153, 165, 21, 45, 93, 99, 51, 107, 27, 231, 119, 495, 31, 65, 33, 273, 561, 73, 297, 153, 313, 325, 165, 85, 693, 717, 45, 93, 189, 195, 99, 403, 51, 843, 107, 219, 443, 455, 231, 471, 119, 975, 495, 2015]

cp's OEIS Frontend

A161501 a(n) is the smallest positive integer that is a palindrome when represented in binary, and is made by appending some number (zero or more) of binary digits on the right of n's binary representation.

Table of values

List of values