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.

A279193 Least positive integer whose decimal digits divide the plane into n regions (version for people who write 2 with a curlicue).

Table of values

n a(n)
1 1
2 2
3 8
4 28
5 88
6 288
7 888
8 2888
9 8888
10 28888
11 88888
12 288888
13 888888
14 2888888
15 8888888
16 28888888
17 88888888
18 288888888
19 888888888
20 2888888888
21 8888888888
22 28888888888
23 88888888888
24 288888888888
25 888888888888
26 2888888888888
27 8888888888888
28 28888888888888

List of values

[1, 2, 8, 28, 88, 288, 888, 2888, 8888, 28888, 88888, 288888, 888888, 2888888, 8888888, 28888888, 88888888, 288888888, 888888888, 2888888888, 8888888888, 28888888888, 88888888888, 288888888888, 888888888888, 2888888888888, 8888888888888, 28888888888888]

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

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