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.

A260090 Maximum number of kings on an n X n chessboard such that no king attacks more than one other king.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 12
6 16
7 21
8 26
9 33
10 40
11 48
12 56
13 65
14 74
15 85
16 96
17 108
18 120
19 133
20 146
21 161
22 176
23 192
24 208
25 225
26 242
27 261
28 280
29 300
30 320
31 341
32 362
33 385
34 408
35 432
36 456
37 481
38 506
39 533
40 560
41 588
42 616
43 645
44 674
45 705
46 736
47 768
48 800
49 833
50 866
51 901
52 936
53 972
54 1008
55 1045

List of values

[1, 2, 4, 8, 12, 16, 21, 26, 33, 40, 48, 56, 65, 74, 85, 96, 108, 120, 133, 146, 161, 176, 192, 208, 225, 242, 261, 280, 300, 320, 341, 362, 385, 408, 432, 456, 481, 506, 533, 560, 588, 616, 645, 674, 705, 736, 768, 800, 833, 866, 901, 936, 972, 1008, 1045]