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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.

A080814 Successive words in the formal D0L language that produces the Thue-Morse sequence A001285 (start with 1, map 1 -> 12, 2 -> 21).

Table of values

n a(n)
1 1
2 12
3 1221
4 12212112
5 1221211221121221
6 12212112211212212112122112212112
7 1221211221121221211212211221211221121221122121121221211221121221

List of values

[1, 12, 1221, 12212112, 1221211221121221, 12212112211212212112122112212112, 1221211221121221211212211221211221121221122121121221211221121221]

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

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