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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.

A218056 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..3 nXk array.

Table of values

n a(n)
1 4
2 4
3 4
4 16
5 4
6 16
7 36
8 16
9 16
10 36
11 94
12 36
13 256
14 36
15 94
16 236
17 94
18 1296
19 1296
20 94
21 236
22 602
23 236
24 8836
25 9792
26 8836
27 236
28 602
29 1528
30 602
31 55696
32 114886
33 114886
34 55696
35 602
36 1528
37 3882
38 1528
39 362404
40 1171452
41 2585920
42 1171452
43 362404
44 1528
45 3882
46 9858
47 3882

List of values

[4, 4, 4, 16, 4, 16, 36, 16, 16, 36, 94, 36, 256, 36, 94, 236, 94, 1296, 1296, 94, 236, 602, 236, 8836, 9792, 8836, 236, 602, 1528, 602, 55696, 114886, 114886, 55696, 602, 1528, 3882, 1528, 362404, 1171452, 2585920, 1171452, 362404, 1528, 3882, 9858, 3882]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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