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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.

A317197 a(n) is the concatenation of A103269(n-i) for i = 0,1,2,...,n-1.

Table of values

n a(n)
1 1
2 121
3 1213121
4 12131211213121
5 121312112131212131211213121
6 121312112131212131211213121312112131212131211213121
7 12131211213121213121121312131211213121213121121312112131212131211213121312112131212131211213121

List of values

[1, 121, 1213121, 12131211213121, 121312112131212131211213121, 121312112131212131211213121312112131212131211213121, 12131211213121213121121312131211213121213121121312112131212131211213121312112131212131211213121]

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

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