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.

A253631 Palindromic primes containing only the digits 0 and 1 such that their squares are palindromes.

Table of values

n a(n)
1 11
2 101
3 100111001
4 110111011
5 111010111
6 1100011100011
7 1100101010011
8 1101010101011
9 100110101011001
10 101000010000101
11 101011000110101
12 101110000011101
13 10000010101000001
14 10011010001011001
15 10100110001100101
16 10110010001001101
17 10111000000011101
18 11010001010001011
19 1000010101010100001
20 1001010100010101001

List of values

[11, 101, 100111001, 110111011, 111010111, 1100011100011, 1100101010011, 1101010101011, 100110101011001, 101000010000101, 101011000110101, 101110000011101, 10000010101000001, 10011010001011001, 10100110001100101, 10110010001001101, 10111000000011101, 11010001010001011, 1000010101010100001, 1001010100010101001]

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

Content is available under The OEIS End-User License Agreement.