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) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 28 |
| 4 | 321 |
| 5 | 3339 |
| 6 | 34851 |
| 7 | 355857 |
| 8 | 3604013 |
| 9 | 36401367 |
| 10 | 366916898 |
| 11 | 3692575693 |
| 12 | 37117851883 |
| 13 | 372788385400 |
| 14 | 3741537104740 |