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.

A303084 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 2
6 4
7 1
8 12
9 2
10 8
11 1
12 20
13 32
14 3
15 16
16 1
17 72
18 29
19 112
20 6
21 32
22 1
23 168
24 258
25 90
26 416
27 10
28 64
29 1
30 496
31 432
32 1455
33 304
34 1512
35 21
36 128
37 1
38 1296
39 2525
40 3667
41 11767
42 1054
43 5472
44 42
45 256
46 1
47 3616
48 6313
49 33152
50 34430
51 84474
52 4182
53 19904
54 86
55 512
56 1
57 9760
58 30188
59 157838

List of values

[1, 1, 2, 1, 2, 4, 1, 12, 2, 8, 1, 20, 32, 3, 16, 1, 72, 29, 112, 6, 32, 1, 168, 258, 90, 416, 10, 64, 1, 496, 432, 1455, 304, 1512, 21, 128, 1, 1296, 2525, 3667, 11767, 1054, 5472, 42, 256, 1, 3616, 6313, 33152, 34430, 84474, 4182, 19904, 86, 512, 1, 9760, 30188, 157838]