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.

A302635 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3 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 3
5 3
6 4
7 5
8 9
9 6
10 8
11 8
12 17
13 8
14 10
15 16
16 13
17 25
18 14
19 19
20 21
21 32
22 21
23 65
24 25
25 33
26 42
27 42
28 64
29 34
30 185
31 47
32 65
33 101
34 82
35 86
36 128
37 55
38 385
39 83
40 149
41 257
42 248
43 189
44 179
45 256
46 89
47 649
48 150
49 304
50 691
51 719
52 657
53 469
54 370
55 512
56 144
57 1489
58 269
59 643
60 1734
61 2262
62 2303
63 1841
64 1029

List of values

[1, 2, 2, 3, 3, 4, 5, 9, 6, 8, 8, 17, 8, 10, 16, 13, 25, 14, 19, 21, 32, 21, 65, 25, 33, 42, 42, 64, 34, 185, 47, 65, 101, 82, 86, 128, 55, 385, 83, 149, 257, 248, 189, 179, 256, 89, 649, 150, 304, 691, 719, 657, 469, 370, 512, 144, 1489, 269, 643, 1734, 2262, 2303, 1841, 1029]