cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A240602 Recursive palindromes in base 2: palindromes n where each half of the digits of n is also a recursive palindrome.

Table of values

n a(n)
1 0
2 1
3 11
4 101
5 111
6 1111
7 11011
8 11111
9 101101
10 111111
11 1010101
12 1011101
13 1110111
14 1111111
15 11111111
16 111101111
17 111111111
18 1101111011
19 1111111111
20 11011011011
21 11011111011
22 11111011111
23 11111111111
24 101101101101
25 111111111111
26 1011010101101
27 1011011101101
28 1111110111111
29 1111111111111

List of values

[0, 1, 11, 101, 111, 1111, 11011, 11111, 101101, 111111, 1010101, 1011101, 1110111, 1111111, 11111111, 111101111, 111111111, 1101111011, 1111111111, 11011011011, 11011111011, 11111011111, 11111111111, 101101101101, 111111111111, 1011010101101, 1011011101101, 1111110111111, 1111111111111]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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