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.

A093466 Triangle read by rows: T[n,k] = number of n X n binary matrices with k=0...n^2 ones, distinct up to cyclic shifts of rows and columns; reflection through any vertical or horizontal axis; and reflection through the main diagonal. Also, quasi-n-ominoes on a torus divided into a k X k grid.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 1
9 1
10 2
11 4
12 5
13 5
14 4
15 2
16 1
17 1
18 1
19 1
20 5
21 10
22 33
23 53
24 101
25 122
26 153
27 122
28 101
29 53
30 33
31 10
32 5
33 1
34 1
35 1
36 1
37 5
38 19
39 88
40 309
41 975
42 2537
43 5637
44 10510
45 16740
46 22734
47 26500
48 26500
49 22734
50 16740
51 10510
52 5637
53 2537
54 975
55 309
56 88
57 19
58 5
59 1
60 1

List of values

[1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 4, 5, 5, 4, 2, 1, 1, 1, 1, 5, 10, 33, 53, 101, 122, 153, 122, 101, 53, 33, 10, 5, 1, 1, 1, 1, 5, 19, 88, 309, 975, 2537, 5637, 10510, 16740, 22734, 26500, 26500, 22734, 16740, 10510, 5637, 2537, 975, 309, 88, 19, 5, 1, 1]