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.

A219421 T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 nXk array.

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 7
6 1
7 7
8 20
9 21
10 1
11 12
12 57
13 93
14 65
15 1
16 21
17 160
18 453
19 436
20 200
21 1
22 37
23 454
24 2121
25 3617
26 2043
27 616
28 1
29 65
30 1292
31 9926
32 28154
33 28888
34 9573
35 1897
36 1
37 114
38 3676
39 46776
40 218838
41 372560
42 230726
43 44857
44 5842
45 1
46 200
47 10452
48 220655
49 1709703
50 4775307

List of values

[1, 2, 1, 4, 7, 1, 7, 20, 21, 1, 12, 57, 93, 65, 1, 21, 160, 453, 436, 200, 1, 37, 454, 2121, 3617, 2043, 616, 1, 65, 1292, 9926, 28154, 28888, 9573, 1897, 1, 114, 3676, 46776, 218838, 372560, 230726, 44857, 5842, 1, 200, 10452, 220655, 1709703, 4775307]