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.

A196662 Expansion of g.f. (1-3*x)/(1-10*x).

Table of values

n a(n)
0 1
1 7
2 70
3 700
4 7000
5 70000
6 700000
7 7000000
8 70000000
9 700000000
10 7000000000
11 70000000000
12 700000000000
13 7000000000000
14 70000000000000
15 700000000000000
16 7000000000000000
17 70000000000000000
18 700000000000000000
19 7000000000000000000
20 70000000000000000000

List of values

[1, 7, 70, 700, 7000, 70000, 700000, 7000000, 70000000, 700000000, 7000000000, 70000000000, 700000000000, 7000000000000, 70000000000000, 700000000000000, 7000000000000000, 70000000000000000, 700000000000000000, 7000000000000000000, 70000000000000000000]

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

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