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 | 1 |
| 2 | 3 |
| 3 | 16 |
| 4 | 227 |
| 5 | 9550 |
| 6 | 1260827 |
| 7 | 540904333 |
| 8 | 773494457017 |
| 9 | 3760730590920987 |
| 10 | 63165231778603354669 |
| 11 | 3713231319097707398492821 |
| 12 | 772396673211317543153892036521 |
| 13 | 573813488532401034128124101329943721 |
| 14 | 1534629746271367018386831539104008577227761 |