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.

A173782 Number of ways to place 4n nonattacking kings on an 8 X 2n chessboard.

Table of values

n a(n)
1 80
2 1847
3 26040
4 281571
5 2580754
6 21137959
7 159636030
8 1134127305
9 7683664202
10 50123713793
11 317076250136
12 1955475353217
13 11806000507544
14 70004699407151
15 408747986045656
16 2355077855615435
17 13413115039118042
18 75623103424916527

List of values

[80, 1847, 26040, 281571, 2580754, 21137959, 159636030, 1134127305, 7683664202, 50123713793, 317076250136, 1955475353217, 11806000507544, 70004699407151, 408747986045656, 2355077855615435, 13413115039118042, 75623103424916527]

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

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