cp's OEIS Frontend

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.

A323804 Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 8.

Table of values

n a(n)
8 0
9 75600
10 1077840
11 10553640
12 86272536
13 636428922
14 4429638754
15 29936160747
16 200258110593
17 1350025656107
18 9269884625133
19 64294692046060
20 447678000251572
21 3115603246683600
22 21610322604575616
23 149157054284148864
24 1023951079104952320
25 6994818732341176704

List of values

[0, 75600, 1077840, 10553640, 86272536, 636428922, 4429638754, 29936160747, 200258110593, 1350025656107, 9269884625133, 64294692046060, 447678000251572, 3115603246683600, 21610322604575616, 149157054284148864, 1023951079104952320, 6994818732341176704]

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

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