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.

A207845 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 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 10
11 16
12 100
13 72
14 100
15 16
16 26
17 256
18 180
19 240
20 256
21 26
22 42
23 676
24 432
25 780
26 704
27 676
28 42
29 68
30 1764
31 1044
32 2320
33 2816
34 2080
35 1764
36 68
37 110
38 4624
39 2520
40 7140
41 10144
42 9672
43 6216
44 4624
45 110
46 178
47 12100
48 6084
49 21600
50 38208
51 41444
52 35952

List of values

[2, 4, 4, 6, 16, 6, 10, 36, 36, 10, 16, 100, 72, 100, 16, 26, 256, 180, 240, 256, 26, 42, 676, 432, 780, 704, 676, 42, 68, 1764, 1044, 2320, 2816, 2080, 1764, 68, 110, 4624, 2520, 7140, 10144, 9672, 6216, 4624, 110, 178, 12100, 6084, 21600, 38208, 41444, 35952]