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.

A083123 Smallest n-digit palindromic multiple of n, or 0 if no such number exists.

Table of values

n a(n)
1 1
2 22
3 111
4 2112
5 50005
6 201102
7 1002001
8 21100112
9 100070001
10 10000200001
11 210000000012
12 1000029200001
13 20000055000002
14 500000020000005
15 2110000000000112
16 10000000200000001
17 200000007700000002
18 1000000002000000001

List of values

[1, 22, 111, 2112, 50005, 201102, 1002001, 21100112, 100070001, 10000200001, 210000000012, 1000029200001, 20000055000002, 500000020000005, 2110000000000112, 10000000200000001, 200000007700000002, 1000000002000000001]

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

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