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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.

A359149 Concatenate the binary strings for 1,2,...,n-1, n, n-1, ..., 2,1.

Table of values

n a(n)
1 1
2 1101
3 11011101
4 1101110011101
5 1101110010110011101
6 1101110010111010110011101
7 1101110010111011111010110011101
8 11011100101110111100011111010110011101
9 1101110010111011110001001100011111010110011101
10 110111001011101111000100110101001100011111010110011101

List of values

[1, 1101, 11011101, 1101110011101, 1101110010110011101, 1101110010111010110011101, 1101110010111011111010110011101, 11011100101110111100011111010110011101, 1101110010111011110001001100011111010110011101, 110111001011101111000100110101001100011111010110011101]

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

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