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.

A207960 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 2
2 4
3 4
4 6
5 16
6 6
7 9
8 36
9 36
10 9
11 13
12 81
13 102
14 81
15 14
16 19
17 169
18 281
19 297
20 196
21 22
22 28
23 361
24 699
25 989
26 932
27 484
28 35
29 41
30 784
31 1799
32 3080
33 3923
34 2974
35 1225
36 56
37 60
38 1681
39 4706
40 9994
41 15839
42 15921
43 9723
44 3136
45 90
46 88
47 3600
48 12161
49 32358
50 66089
51 84013
52 67007
53 32164

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 102, 81, 14, 19, 169, 281, 297, 196, 22, 28, 361, 699, 989, 932, 484, 35, 41, 784, 1799, 3080, 3923, 2974, 1225, 56, 60, 1681, 4706, 9994, 15839, 15921, 9723, 3136, 90, 88, 3600, 12161, 32358, 66089, 84013, 67007, 32164]

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

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