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.

A215959 T(n,k)=Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nXk array with new integer colors introduced in row major order.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 2
10 1
11 2
12 4
13 10
14 4
15 2
16 2
17 12
18 29
19 29
20 12
21 2
22 5
23 34
24 366
25 313
26 366
27 34
28 5
29 5
30 136
31 1534
32 6150
33 6150
34 1534
35 136
36 5
37 15
38 500
39 35167
40 145563
41 847594
42 145563
43 35167
44 500
45 15
46 15
47 2440
48 188835
49 5219070
50 30312074
51 30312074
52 5219070
53 188835
54 2440
55 15

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 4, 10, 4, 2, 2, 12, 29, 29, 12, 2, 5, 34, 366, 313, 366, 34, 5, 5, 136, 1534, 6150, 6150, 1534, 136, 5, 15, 500, 35167, 145563, 847594, 145563, 35167, 500, 15, 15, 2440, 188835, 5219070, 30312074, 30312074, 5219070, 188835, 2440, 15]