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.

A240649 T(n,k)=Number of nXk 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 2
6 1
7 2
8 2
9 2
10 2
11 3
12 3
13 6
14 3
15 3
16 5
17 6
18 8
19 8
20 6
21 5
22 8
23 10
24 23
25 18
26 23
27 10
28 8
29 13
30 21
31 60
32 61
33 61
34 60
35 21
36 13
37 21
38 42
39 149
40 168
41 232
42 168
43 149
44 42
45 21
46 34
47 86
48 396
49 526
50 953
51 953
52 526
53 396
54 86
55 34
56 55
57 179
58 1050
59 1643
60 4343
61 5304
62 4343
63 1643
64 1050
65 179
66 55
67 89
68 370

List of values

[0, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 3, 6, 3, 3, 5, 6, 8, 8, 6, 5, 8, 10, 23, 18, 23, 10, 8, 13, 21, 60, 61, 61, 60, 21, 13, 21, 42, 149, 168, 232, 168, 149, 42, 21, 34, 86, 396, 526, 953, 953, 526, 396, 86, 34, 55, 179, 1050, 1643, 4343, 5304, 4343, 1643, 1050, 179, 55, 89, 370]