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.

A137308 Number of dimer coverings on n X n square if n is even; number of dimer arrangements with exactly one monomer if n is odd.

Table of values

n a(n)
0 1
1 1
2 2
3 18
4 36
5 2180
6 6728
7 2200776
8 12988816
9 20355006224
10 258584046368
11 1801272981919008
12 53060477521960000
13 1560858753560238398528
14 112202208776036178000000
15 13428038397958481723104394368

List of values

[1, 1, 2, 18, 36, 2180, 6728, 2200776, 12988816, 20355006224, 258584046368, 1801272981919008, 53060477521960000, 1560858753560238398528, 112202208776036178000000, 13428038397958481723104394368]