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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.

A382651 Number of king permutations on n elements without strict fixed points.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 2
5 10
6 68
7 500
8 4174
9 38770
10 397544
11 4462476
12 54452394
13 717877882
14 10170925492
15 154139627692
16 2488385952526
17 42636054584106
18 772802263942376
19 14774515232543556
20 297137552306148570
21 6271261537872652418
22 138596588342412866276
23 3200953561821628327956
24 77114526810424117688014

List of values

[1, 0, 0, 0, 2, 10, 68, 500, 4174, 38770, 397544, 4462476, 54452394, 717877882, 10170925492, 154139627692, 2488385952526, 42636054584106, 772802263942376, 14774515232543556, 297137552306148570, 6271261537872652418, 138596588342412866276, 3200953561821628327956, 77114526810424117688014]

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

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