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.

A208069 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 2
2 4
3 4
4 6
5 16
6 6
7 10
8 36
9 36
10 9
11 16
12 100
13 72
14 81
15 12
16 26
17 256
18 240
19 144
20 144
21 16
22 42
23 676
24 704
25 576
26 216
27 256
28 20
29 68
30 1764
31 2080
32 1936
33 1008
34 324
35 400
36 25
37 110
38 4624
39 6216
40 6400
41 3696
42 1764
43 432
44 625
45 30
46 178
47 12100
48 18496
49 21904
50 12960
51 7056
52 2688
53 576
54 900
55 36

List of values

[2, 4, 4, 6, 16, 6, 10, 36, 36, 9, 16, 100, 72, 81, 12, 26, 256, 240, 144, 144, 16, 42, 676, 704, 576, 216, 256, 20, 68, 1764, 2080, 1936, 1008, 324, 400, 25, 110, 4624, 6216, 6400, 3696, 1764, 432, 625, 30, 178, 12100, 18496, 21904, 12960, 7056, 2688, 576, 900, 36]