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.

A189254 T(n,k)=Number of nXk array permutations with each element making zero or one king moves.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 24
6 3
7 5
8 152
9 152
10 5
11 8
12 1168
13 2961
14 1168
15 8
16 13
17 8448
18 76629
19 76629
20 8448
21 13
22 21
23 62272
24 1818336
25 7396009
26 1818336
27 62272
28 21
29 34
30 456320
31 44308389
32 637586496
33 637586496
34 44308389
35 456320
36 34
37 55
38 3350016
39 1070959431
40 56892084785

List of values

[1, 2, 2, 3, 24, 3, 5, 152, 152, 5, 8, 1168, 2961, 1168, 8, 13, 8448, 76629, 76629, 8448, 13, 21, 62272, 1818336, 7396009, 1818336, 62272, 21, 34, 456320, 44308389, 637586496, 637586496, 44308389, 456320, 34, 55, 3350016, 1070959431, 56892084785]