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.

A219686 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array.

Table of values

n a(n)
1 3
2 3
3 3
4 6
5 4
6 6
7 10
8 8
9 9
10 10
11 15
12 14
13 31
14 19
15 15
16 21
17 22
18 87
19 99
20 35
21 21
22 28
23 32
24 208
25 427
26 269
27 60
28 28
29 36
30 44
31 452
32 1531
33 1688
34 655
35 98
36 36
37 45
38 58
39 922
40 5031
41 8964
42 5726
43 1506
44 154
45 45
46 55
47 74
48 1799
49 15763
50 44736
51 44816
52 18486
53 3356
54 234
55 55
56 66
57 92
58 3394
59 47784

List of values

[3, 3, 3, 6, 4, 6, 10, 8, 9, 10, 15, 14, 31, 19, 15, 21, 22, 87, 99, 35, 21, 28, 32, 208, 427, 269, 60, 28, 36, 44, 452, 1531, 1688, 655, 98, 36, 45, 58, 922, 5031, 8964, 5726, 1506, 154, 45, 55, 74, 1799, 15763, 44736, 44816, 18486, 3356, 234, 55, 66, 92, 3394, 47784]