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.

A225910 Square array read by antidiagonals: a(m,n) is the number of binary pattern classes in the (m,n)-rectangular grid, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 3
9 1
10 1
11 6
12 7
13 6
14 1
15 1
16 10
17 24
18 24
19 10
20 1
21 1
22 20
23 76
24 168
25 76
26 20
27 1
28 1
29 36
30 288
31 1120
32 1120
33 288
34 36
35 1
36 1
37 72
38 1072
39 8640
40 16576
41 8640
42 1072
43 72
44 1
45 1
46 136
47 4224
48 66816
49 263680
50 263680
51 66816
52 4224
53 136
54 1
55 1
56 272
57 16576
58 529920
59 4197376
60 8407040
61 4197376
62 529920
63 16576
64 272
65 1

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 6, 7, 6, 1, 1, 10, 24, 24, 10, 1, 1, 20, 76, 168, 76, 20, 1, 1, 36, 288, 1120, 1120, 288, 36, 1, 1, 72, 1072, 8640, 16576, 8640, 1072, 72, 1, 1, 136, 4224, 66816, 263680, 263680, 66816, 4224, 136, 1, 1, 272, 16576, 529920, 4197376, 8407040, 4197376, 529920, 16576, 272, 1]