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.

A153498 Palindromes formed from concatenation of A147759(n) and the same string A147759(n) but without its initial digit.

Table of values

n a(n)
1 1
2 111
3 10101
4 1001001
5 101010101
6 10110101101
7 1010101010101
8 101001010100101
9 10101010101010101
10 1010110101010110101
11 101010101010101010101
12 10101001010101010010101

List of values

[1, 111, 10101, 1001001, 101010101, 10110101101, 1010101010101, 101001010100101, 10101010101010101, 1010110101010110101, 101010101010101010101, 10101001010101010010101]

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

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