A215256 - cp's OEIS frontend

A215256 Longest palindromic factor of (n base 2); in case of tie choose largest; if it begins with 0 complement it.

n	a(n)
0	1
1	1
2	1
3	11
4	11
5	101
6	11
7	111
8	111
9	1001
10	101
11	101
12	11
13	101
14	111
15	1111
16	1111
17	10001
18	1001
19	1001
20	101
21	10101
22	1001
23	111
24	111
25	1001
26	101
27	11011
28	111
29	111
30	1111
31	11111
32	11111
33	100001
34	10001
35	10001
36	11011
37	1001
38	1001
39	1001
40	101
41	1001
42	10101
43	10101
44	1001
45	101101

[1, 1, 1, 11, 11, 101, 11, 111, 111, 1001, 101, 101, 11, 101, 111, 1111, 1111, 10001, 1001, 1001, 101, 10101, 1001, 111, 111, 1001, 101, 11011, 111, 111, 1111, 11111, 11111, 100001, 10001, 10001, 11011, 1001, 1001, 1001, 101, 1001, 10101, 10101, 1001, 101101]

cp's OEIS Frontend

A215256 Longest palindromic factor of (n base 2); in case of tie choose largest; if it begins with 0 complement it.

Table of values

List of values