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.

A221507 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without consecutive moves in the same direction.

Table of values

n a(n)
1 0
2 1
3 0
4 0
5 9
6 0
7 1
8 44
9 64
10 0
11 0
12 446
13 664
14 441
15 0
16 1
17 3334
18 31663
19 12495
20 3025
21 0
22 0
23 27540
24 730874
25 2691211
26 221614
27 20736
28 0
29 1
30 219070
31 22664752
32 223123842
33 219689604
34 4010052
35 142129
36 0
37 0
38 1766136
39 617892584
40 26917553016
41 61691224718

List of values

[0, 1, 0, 0, 9, 0, 1, 44, 64, 0, 0, 446, 664, 441, 0, 1, 3334, 31663, 12495, 3025, 0, 0, 27540, 730874, 2691211, 221614, 20736, 0, 1, 219070, 22664752, 223123842, 219689604, 4010052, 142129, 0, 0, 1766136, 617892584, 26917553016, 61691224718]