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.

A303421 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 8
6 4
7 8
8 32
9 32
10 8
11 16
12 128
13 252
14 128
15 16
16 32
17 512
18 1985
19 1988
20 512
21 32
22 64
23 2048
24 15647
25 30897
26 15684
27 2048
28 64
29 128
30 8192
31 123337
32 480953
33 480960
34 123732
35 8192
36 128
37 256
38 32768
39 972168
40 7486281
41 14783632
42 7486369
43 976132
44 32768
45 256
46 512
47 131072

List of values

[1, 2, 2, 4, 8, 4, 8, 32, 32, 8, 16, 128, 252, 128, 16, 32, 512, 1985, 1988, 512, 32, 64, 2048, 15647, 30897, 15684, 2048, 64, 128, 8192, 123337, 480953, 480960, 123732, 8192, 128, 256, 32768, 972168, 7486281, 14783632, 7486369, 976132, 32768, 256, 512, 131072]