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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.

A381244 Number of regions in the arrangement of hyperplanes corresponding to the nonzero differences of two permutations of order n.

Table of values

n	a(n)
0	1
1	1
2	2
3	12
4	3696

List of values

[1, 1, 2, 12, 3696]

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

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