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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.

A373692 Table of the number of ways T(m,n) to partition a 2m X 2n grid into Cartesian products of size 2 X 2, read by ascending antidiagonals.

Table of values

n a(n)
1 1
2 3
3 3
4 15
5 45
6 15
7 105
8 1575
9 1575
10 105
11 945
12 99225
13 510525
14 99225
15 945
16 10395
17 9823275
18 376473825
19 376473825
20 9823275
21 10395
22 135135
23 1404728325
24 533407191975
25 4202869719825
26 533407191975
27 1404728325
28 135135
29 2027025
30 273922023375
31 1302400497234375
32 115509334438258425
33 115509334438258425
34 1302400497234375
35 273922023375
36 2027025

List of values

[1, 3, 3, 15, 45, 15, 105, 1575, 1575, 105, 945, 99225, 510525, 99225, 945, 10395, 9823275, 376473825, 376473825, 9823275, 10395, 135135, 1404728325, 533407191975, 4202869719825, 533407191975, 1404728325, 135135, 2027025, 273922023375, 1302400497234375, 115509334438258425, 115509334438258425, 1302400497234375, 273922023375, 2027025]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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