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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.

A086589 Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutations A072088/A072089.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 12
5 27
6 60
7 127
8 264
9 541
10 1104
11 2229
12 4492

List of values

[1, 1, 2, 5, 12, 27, 60, 127, 264, 541, 1104, 2229, 4492]

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

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