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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.

A125058 A sequence of words over an alphabet of two letters: a(0) = 1, a(1) = 2; a(n+2) = a(n+1)a(n)a(n+1).

Table of values

n a(n)
0 1
1 2
2 212
3 2122212
4 21222122122122212
5 21222122122122212212221221222122122122212
6 212221221221222122122212212221221221222122122212212212221221222122122122212212221221222122122122212

List of values

[1, 2, 212, 2122212, 21222122122122212, 21222122122122212212221221222122122122212, 212221221221222122122212212221221221222122122212212212221221222122122122212212221221222122122122212]

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

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