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.

A054344 Number of ways of covering a 2n X 2n lattice with 2n^2 dominoes of which exactly 6 are horizontal (or vertical) dominoes.

Table of values

n a(n)
2 9
3 1064
4 21656
5 197484
6 1143366
7 4927524
8 17240292
9 51631617
10 137044523
11 330284988
12 735542444
13 1533609350
14 3024043008
15 5684167992
16 10249533240
17 17821214019
18 30006185613
19 49097892704
20 78305096016

List of values

[9, 1064, 21656, 197484, 1143366, 4927524, 17240292, 51631617, 137044523, 330284988, 735542444, 1533609350, 3024043008, 5684167992, 10249533240, 17821214019, 30006185613, 49097892704, 78305096016]

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

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