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.

A369132 Numbers whose "Look and Say" description (cf. A045918) is a substring of the number.

Table of values

n a(n)
1 22
2 333
3 4444
4 22333
5 33322
6 55555
7 224444
8 333000
9 333111
10 333222
11 333444
12 333555
13 333666
14 333777
15 333888
16 333999
17 444422
18 666666
19 2255555
20 3334444
21 4444333
22 5555522
23 7777777
24 22333000
25 22333111
26 22333222
27 22333444
28 22333555
29 22333666
30 22333777
31 22333888
32 22333999
33 22666666
34 33322333

List of values

[22, 333, 4444, 22333, 33322, 55555, 224444, 333000, 333111, 333222, 333444, 333555, 333666, 333777, 333888, 333999, 444422, 666666, 2255555, 3334444, 4444333, 5555522, 7777777, 22333000, 22333111, 22333222, 22333444, 22333555, 22333666, 22333777, 22333888, 22333999, 22666666, 33322333]

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

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