A265532 - cp's OEIS frontend

A265532 Largest base-4 palindrome m <= n, written in base 4.

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	11
6	11
7	11
8	11
9	11
10	22
11	22
12	22
13	22
14	22
15	33
16	33
17	101
18	101
19	101
20	101
21	111
22	111
23	111
24	111
25	121
26	121
27	121
28	121
29	131
30	131
31	131
32	131
33	131
34	202
35	202
36	202
37	202
38	212
39	212
40	212
41	212
42	222
43	222
44	222
45	222
46	232
47	232
48	232
49	232
50	232
51	303
52	303
53	303
54	303
55	313
56	313
57	313
58	313
59	323
60	323
61	323
62	323
63	333
64	333
65	1001
66	1001

[0, 1, 2, 3, 3, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 33, 33, 101, 101, 101, 101, 111, 111, 111, 111, 121, 121, 121, 121, 131, 131, 131, 131, 131, 202, 202, 202, 202, 212, 212, 212, 212, 222, 222, 222, 222, 232, 232, 232, 232, 232, 303, 303, 303, 303, 313, 313, 313, 313, 323, 323, 323, 323, 333, 333, 1001, 1001]

cp's OEIS Frontend

A265532 Largest base-4 palindrome m <= n, written in base 4.

Table of values

List of values