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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.

A317196 a(n) = concatenation of n-th stage of the trajectory of 2 under the tribonacci morphism 1 -> {1, 2}, 2 -> {1, 3}, 3 -> {1}.

Table of values

n a(n)
0 2
1 13
2 121
3 121312
4 12131211213
5 12131211213121213121
6 1213121121312121312112131213121121312
7 12131211213121213121121312131211213121213121121312112131212131211213

List of values

[2, 13, 121, 121312, 12131211213, 12131211213121213121, 1213121121312121312112131213121121312, 12131211213121213121121312131211213121213121121312112131212131211213]

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

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