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.

A173479 a(n) = the smallest n-digit number ending in n-1 zeros that is divisible by n, else 0.

Table of values

n a(n)
1 1
2 10
3 300
4 1000
5 10000
6 300000
7 7000000
8 10000000
9 900000000
10 1000000000
11 0
12 300000000000
13 0
14 70000000000000
15 300000000000000
16 1000000000000000
17 0
18 900000000000000000
19 0
20 10000000000000000000
21 0
22 0
23 0
24 300000000000000000000000
25 1000000000000000000000000
26 0
27 0
28 7000000000000000000000000000
29 0

List of values

[1, 10, 300, 1000, 10000, 300000, 7000000, 10000000, 900000000, 1000000000, 0, 300000000000, 0, 70000000000000, 300000000000000, 1000000000000000, 0, 900000000000000000, 0, 10000000000000000000, 0, 0, 0, 300000000000000000000000, 1000000000000000000000000, 0, 0, 7000000000000000000000000000, 0]

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

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