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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.

A130968 Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutations A130919/A130920.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 7
5 10
6 25
7 54
8 131
9 331
10 864
11 2292
12 6169
13 16835

List of values

[1, 1, 2, 3, 7, 10, 25, 54, 131, 331, 864, 2292, 6169, 16835]

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

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