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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.

A323478 a(1)=1; thereafter, a(n) = string appended to (n-1)-st generation of A306211 to get the n-th generation.

Table of values

n a(n)
1 1
2 1
3 2
4 21
5 221
6 22121
7 221212111
8 221212111211113
9 221212111211113211113141
10 221212111211113211113141211113141141111
11 22121211121111321111314121111314114111121111314114111114111214

List of values

[1, 1, 2, 21, 221, 22121, 221212111, 221212111211113, 221212111211113211113141, 221212111211113211113141211113141141111, 22121211121111321111314121111314114111121111314114111114111214]

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

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