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.

A275869 Number of nonequivalent ways to place k>=0 nonattacking kings on an n X n board.

Table of values

n a(n)
1 2
2 2
3 11
4 51
5 922
6 25618
7 1597350
8 169413040
9 33716225195
10 11838480390673
11 7588965091313449
12 8705702554970941096
13 18079208010076976255573
14 67519585404524909086260614
15 455193583190737164106702088892
16 5527752160260327852724215089473548

List of values

[2, 2, 11, 51, 922, 25618, 1597350, 169413040, 33716225195, 11838480390673, 7588965091313449, 8705702554970941096, 18079208010076976255573, 67519585404524909086260614, 455193583190737164106702088892, 5527752160260327852724215089473548]

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

Content is available under The OEIS End-User License Agreement.