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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.

A323860 Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary arrays.

Table of values

n a(n)
1 2
2 2
3 2
4 6
5 8
6 6
7 12
8 54
9 54
10 12
11 30
12 216
13 486
14 216
15 30
16 54
17 990
18 4020
19 4020
20 990
21 54
22 126
23 3912
24 32730
25 64800
26 32730
27 3912
28 126
29 240
30 16254
31 261414
32 1047540
33 1047540
34 261414
35 16254
36 240
37 504
38 64800
39 2097018
40 16764840
41 33554250
42 16764840
43 2097018
44 64800
45 504

List of values

[2, 2, 2, 6, 8, 6, 12, 54, 54, 12, 30, 216, 486, 216, 30, 54, 990, 4020, 4020, 990, 54, 126, 3912, 32730, 64800, 32730, 3912, 126, 240, 16254, 261414, 1047540, 1047540, 261414, 16254, 240, 504, 64800, 2097018, 16764840, 33554250, 16764840, 2097018, 64800, 504]