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.

A196477 T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,3,2,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 1
2 3
3 3
4 4
5 5
6 4
7 5
8 8
9 8
10 5
11 8
12 11
13 7
14 11
15 8
16 12
17 18
18 14
19 14
20 18
21 12
22 17
23 28
24 17
25 35
26 17
27 28
28 17
29 25
30 43
31 27
32 70
33 70
34 27
35 43
36 25
37 37
38 67
39 42
40 136
41 151
42 136
43 42
44 67
45 37
46 54
47 105
48 58
49 305
50 557
51 557
52 305
53 58
54 105
55 54
56 79
57 164
58 94
59 611
60 2351
61 5955
62 2351
63 611
64 94
65 164
66 79
67 116
68 257

List of values

[1, 3, 3, 4, 5, 4, 5, 8, 8, 5, 8, 11, 7, 11, 8, 12, 18, 14, 14, 18, 12, 17, 28, 17, 35, 17, 28, 17, 25, 43, 27, 70, 70, 27, 43, 25, 37, 67, 42, 136, 151, 136, 42, 67, 37, 54, 105, 58, 305, 557, 557, 305, 58, 105, 54, 79, 164, 94, 611, 2351, 5955, 2351, 611, 94, 164, 79, 116, 257]