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.

A346629 Number of n-digit positive integers that are the product of two integers ending with 2.

Table of values

n a(n)
1 1
2 4
3 45
4 450
5 4500
6 45000
7 450000
8 4500000
9 45000000
10 450000000
11 4500000000
12 45000000000
13 450000000000
14 4500000000000
15 45000000000000
16 450000000000000
17 4500000000000000
18 45000000000000000
19 450000000000000000
20 4500000000000000000
21 45000000000000000000
22 450000000000000000000

List of values

[1, 4, 45, 450, 4500, 45000, 450000, 4500000, 45000000, 450000000, 4500000000, 45000000000, 450000000000, 4500000000000, 45000000000000, 450000000000000, 4500000000000000, 45000000000000000, 450000000000000000, 4500000000000000000, 45000000000000000000, 450000000000000000000]

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

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