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.

A219310 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 nXk array.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 6
6 4
7 7
8 18
9 18
10 7
11 12
12 51
13 90
14 51
15 12
16 21
17 142
18 423
19 423
20 142
21 21
22 37
23 405
24 1958
25 3334
26 1958
27 405
28 37
29 65
30 1157
31 9233
32 25647
33 25647
34 9233
35 1157
36 65
37 114
38 3289
39 43725
40 200376
41 326444
42 200376
43 43725
44 3289
45 114
46 200
47 9344
48 206269
49 1574278
50 4215579

List of values

[1, 2, 2, 4, 6, 4, 7, 18, 18, 7, 12, 51, 90, 51, 12, 21, 142, 423, 423, 142, 21, 37, 405, 1958, 3334, 1958, 405, 37, 65, 1157, 9233, 25647, 25647, 9233, 1157, 65, 114, 3289, 43725, 200376, 326444, 200376, 43725, 3289, 114, 200, 9344, 206269, 1574278, 4215579]