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.

A072018 Numbers k for which gcd(k, reverse(k)) = 243 = 3^5.

Table of values

n a(n)
1 4899999987
2 4989999897
3 4999889997
4 4999997889
5 5889998997
6 5889999969
7 5898989997
8 5898998988
9 5899899789
10 5899979979
11 5899987998
12 5899989699
13 5899996989
14 5979999879
15 5988899997
16 5988998898
17 5989889979
18 5989897998

List of values

[4899999987, 4989999897, 4999889997, 4999997889, 5889998997, 5889999969, 5898989997, 5898998988, 5899899789, 5899979979, 5899987998, 5899989699, 5899996989, 5979999879, 5988899997, 5988998898, 5989889979, 5989897998]

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

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