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.

A244081 Number T(n,k) of ways to place k nonattacking knights on an n X n board; triangle T(n,k), n>=0, 0<=k<=A030978(n), read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 6
6 4
7 1
8 1
9 9
10 28
11 36
12 18
13 2
14 1
15 16
16 96
17 276
18 412
19 340
20 170
21 48
22 6
23 1
24 25
25 252
26 1360
27 4436
28 9386
29 13384
30 12996
31 8526
32 3679
33 994
34 158
35 15
36 1
37 1
38 36
39 550
40 4752
41 26133
42 97580
43 257318
44 491140
45 688946
46 716804
47 556274
48 323476
49 141969
50 47684
51 12488
52 2560
53 393
54 40
55 2

List of values

[1, 1, 1, 1, 4, 6, 4, 1, 1, 9, 28, 36, 18, 2, 1, 16, 96, 276, 412, 340, 170, 48, 6, 1, 25, 252, 1360, 4436, 9386, 13384, 12996, 8526, 3679, 994, 158, 15, 1, 1, 36, 550, 4752, 26133, 97580, 257318, 491140, 688946, 716804, 556274, 323476, 141969, 47684, 12488, 2560, 393, 40, 2]