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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.

A300571 a(n) is the concatenation n in base 2, n-1 in base 2, ..., 0 in base 2.

Table of values

n a(n)
0 0
1 10
2 1010
3 111010
4 100111010
5 101100111010
6 110101100111010
7 111110101100111010
8 1000111110101100111010
9 10011000111110101100111010
10 101010011000111110101100111010
11 1011101010011000111110101100111010
12 11001011101010011000111110101100111010

List of values

[0, 10, 1010, 111010, 100111010, 101100111010, 110101100111010, 111110101100111010, 1000111110101100111010, 10011000111110101100111010, 101010011000111110101100111010, 1011101010011000111110101100111010, 11001011101010011000111110101100111010]

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

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