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.

A272681 Smallest binary square that begins with the binary expansion of n.

Table of values

n a(n)
0 0
1 1
2 100
3 11001
4 100
5 1010001
6 11001
7 1111001
8 10000
9 1001
10 1010001
11 101101001
12 11001
13 110111001
14 11100001
15 1111001
16 10000
17 10001000001
18 100100
19 1001110001
20 1010001
21 10101001
22 101101001
23 10111110001
24 110001
25 11001
26 1101001001
27 110111001
28 11100001
29 111010001001

List of values

[0, 1, 100, 11001, 100, 1010001, 11001, 1111001, 10000, 1001, 1010001, 101101001, 11001, 110111001, 11100001, 1111001, 10000, 10001000001, 100100, 1001110001, 1010001, 10101001, 101101001, 10111110001, 110001, 11001, 1101001001, 110111001, 11100001, 111010001001]

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

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