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.

A215904 T(n,k)=Number of diagonal and antidiagonal 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 2
5 1
6 2
7 2
8 2
9 2
10 2
11 5
12 5
13 15
14 5
15 5
16 5
17 15
18 42
19 42
20 15
21 5
22 15
23 52
24 726
25 602
26 726
27 52
28 15
29 15
30 203
31 2906
32 12840
33 12840
34 2906
35 203
36 15
37 52
38 877
39 84550
40 373780
41 2387217
42 373780
43 84550
44 877
45 52
46 52
47 4140
48 433252
49 14050312
50 87852626
51 87852626
52 14050312
53 433252

List of values

[1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 5, 5, 15, 5, 5, 5, 15, 42, 42, 15, 5, 15, 52, 726, 602, 726, 52, 15, 15, 203, 2906, 12840, 12840, 2906, 203, 15, 52, 877, 84550, 373780, 2387217, 373780, 84550, 877, 52, 52, 4140, 433252, 14050312, 87852626, 87852626, 14050312, 433252]