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.
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 |