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.

A199045 Smallest multiple of 2^n having in decimal representation exactly n digits <= 2.

Table of values

n a(n)
1 2
2 12
3 112
4 1120
5 10112
6 101120
7 1002112
8 10010112
9 100101120
10 1001011200
11 10002010112
12 100012122112
13 1000121221120
14 10001212211200
15 100002002010112
16 1000000210010112
17 10000002100101120
18 100000021001011200
19 1000000210010112000
20 10000000201221210112

List of values

[2, 12, 112, 1120, 10112, 101120, 1002112, 10010112, 100101120, 1001011200, 10002010112, 100012122112, 1000121221120, 10001212211200, 100002002010112, 1000000210010112, 10000002100101120, 100000021001011200, 1000000210010112000, 10000000201221210112]

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

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