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.

A138145 Palindromes formed from the reflected decimal expansion of the concatenation of 1, 1, 1 and infinite 0's.

Table of values

n a(n)
1 1
2 11
3 111
4 1111
5 11111
6 111111
7 1110111
8 11100111
9 111000111
10 1110000111
11 11100000111
12 111000000111
13 1110000000111
14 11100000000111
15 111000000000111
16 1110000000000111
17 11100000000000111
18 111000000000000111

List of values

[1, 11, 111, 1111, 11111, 111111, 1110111, 11100111, 111000111, 1110000111, 11100000111, 111000000111, 1110000000111, 11100000000111, 111000000000111, 1110000000000111, 11100000000000111, 111000000000000111]

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

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