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.

A301784 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or vertically 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
13 240
14 128
15 16
16 32
17 512
18 1808
19 1808
20 512
21 32
22 64
23 2048
24 13616
25 25872
26 13616
27 2048
28 64
29 128
30 8192
31 102544
32 369936
33 369936
34 102544
35 8192
36 128
37 256
38 32768
39 772272
40 5289488
41 10033408
42 5289488
43 772272
44 32768
45 256
46 512
47 131072

List of values

[1, 2, 2, 4, 8, 4, 8, 32, 32, 8, 16, 128, 240, 128, 16, 32, 512, 1808, 1808, 512, 32, 64, 2048, 13616, 25872, 13616, 2048, 64, 128, 8192, 102544, 369936, 369936, 102544, 8192, 128, 256, 32768, 772272, 5289488, 10033408, 5289488, 772272, 32768, 256, 512, 131072]