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.

A303469 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 8
6 4
7 8
8 29
9 32
10 8
11 16
12 105
13 170
14 128
15 16
16 32
17 384
18 948
19 1033
20 512
21 32
22 64
23 1405
24 5237
25 9110
26 6369
27 2048
28 64
29 128
30 5135
31 29009
32 79377
33 89371
34 39098
35 8192
36 128
37 256
38 18766
39 160590
40 692636
41 1243692
42 872026
43 240109
44 32768
45 256
46 512
47 68589
48 888993

List of values

[1, 2, 2, 4, 8, 4, 8, 29, 32, 8, 16, 105, 170, 128, 16, 32, 384, 948, 1033, 512, 32, 64, 1405, 5237, 9110, 6369, 2048, 64, 128, 5135, 29009, 79377, 89371, 39098, 8192, 128, 256, 18766, 160590, 692636, 1243692, 872026, 240109, 32768, 256, 512, 68589, 888993]