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.

A093140 Expansion of (1-6*x)/((1-x)*(1-10*x)).

Table of values

n a(n)
0 1
1 5
2 45
3 445
4 4445
5 44445
6 444445
7 4444445
8 44444445
9 444444445
10 4444444445
11 44444444445
12 444444444445
13 4444444444445
14 44444444444445
15 444444444444445
16 4444444444444445
17 44444444444444445
18 444444444444444445
19 4444444444444444445
20 44444444444444444445
21 444444444444444444445

List of values

[1, 5, 45, 445, 4445, 44445, 444445, 4444445, 44444445, 444444445, 4444444445, 44444444445, 444444444445, 4444444444445, 44444444444445, 444444444444445, 4444444444444445, 44444444444444445, 444444444444444445, 4444444444444444445, 44444444444444444445, 444444444444444444445]

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

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