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.

A355280 Binary numbers (digits in {0, 1}) with no run of digits with length < 2.

Table of values

n a(n)
1 11
2 111
3 1100
4 1111
5 11000
6 11100
7 11111
8 110000
9 110011
10 111000
11 111100
12 111111
13 1100000
14 1100011
15 1100111
16 1110000
17 1110011
18 1111000
19 1111100
20 1111111
21 11000000
22 11000011
23 11000111
24 11001100
25 11001111
26 11100000
27 11100011
28 11100111
29 11110000
30 11110011
31 11111000
32 11111100
33 11111111

List of values

[11, 111, 1100, 1111, 11000, 11100, 11111, 110000, 110011, 111000, 111100, 111111, 1100000, 1100011, 1100111, 1110000, 1110011, 1111000, 1111100, 1111111, 11000000, 11000011, 11000111, 11001100, 11001111, 11100000, 11100011, 11100111, 11110000, 11110011, 11111000, 11111100, 11111111]

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

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