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.

A184039 T(n,k) = 1/16 the number of (n+1) X (k+1) 0..3 arrays with all 2 X 2 subblocks having the same four values.

Table of values

n a(n)
1 16
2 28
3 28
4 49
5 40
6 49
7 91
8 61
9 61
10 91
11 169
12 103
13 82
14 103
15 169
16 325
17 181
18 124
19 124
20 181
21 325
22 625
23 337
24 202
25 166
26 202
27 337
28 625
29 1225
30 637
31 358
32 244
33 244
34 358
35 637
36 1225
37 2401
38 1237
39 658
40 400
41 322
42 400
43 658
44 1237
45 2401
46 4753
47 2413
48 1258
49 700
50 478
51 478
52 700
53 1258

List of values

[16, 28, 28, 49, 40, 49, 91, 61, 61, 91, 169, 103, 82, 103, 169, 325, 181, 124, 124, 181, 325, 625, 337, 202, 166, 202, 337, 625, 1225, 637, 358, 244, 244, 358, 637, 1225, 2401, 1237, 658, 400, 322, 400, 658, 1237, 2401, 4753, 2413, 1258, 700, 478, 478, 700, 1258]