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.

A221125 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor.

Table of values

n a(n)
1 1
2 3
3 1
4 8
5 21
6 1
7 21
8 200
9 144
10 1
11 55
12 1950
13 4872
14 987
15 1
16 144
17 19005
18 179300
19 118472
20 6765
21 1
22 377
23 185164
24 6405243
25 16436223
26 2880520
27 46368
28 1
29 987
30 1803949
31 229006550
32 2152770692
33 1506094707
34 70036168
35 317811
36 1
37 2584
38 17574675

List of values

[1, 3, 1, 8, 21, 1, 21, 200, 144, 1, 55, 1950, 4872, 987, 1, 144, 19005, 179300, 118472, 6765, 1, 377, 185164, 6405243, 16436223, 2880520, 46368, 1, 987, 1803949, 229006550, 2152770692, 1506094707, 70036168, 317811, 1, 2584, 17574675]