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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.

A223089 Numbers n, written in base 8, with the property that if the base-8 representation of n is read backwards, the result is 5*n.

Table of values

n a(n)
1 1015
2 11165
3 102515
4 112665
5 1016015
6 1127665
7 10151015
8 10252515
9 11176165
10 11277665
11 101501015
12 102617515
13 111661165
14 112777665
15 1015001015
16 1016016015
17 1025252515
18 1026267515
19 1116511165
20 1117526165
21 1126762665
22 1127777665

List of values

[1015, 11165, 102515, 112665, 1016015, 1127665, 10151015, 10252515, 11176165, 11277665, 101501015, 102617515, 111661165, 112777665, 1015001015, 1016016015, 1025252515, 1026267515, 1116511165, 1117526165, 1126762665, 1127777665]

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

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