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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.

A004003 Number of domino tilings (or dimer coverings) of a 2n X 2n square.

Table of values

n a(n)
0 1
1 2
2 36
3 6728
4 12988816
5 258584046368
6 53060477521960000
7 112202208776036178000000
8 2444888770250892795802079170816
9 548943583215388338077567813208427340288
10 1269984011256235834242602753102293934298576249856

List of values

[1, 2, 36, 6728, 12988816, 258584046368, 53060477521960000, 112202208776036178000000, 2444888770250892795802079170816, 548943583215388338077567813208427340288, 1269984011256235834242602753102293934298576249856]

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

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