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 | 4 |
| 3 | 37 |
| 4 | 375 |
| 5 | 4493 |
| 6 | 56848 |
| 7 | 753536 |
| 8 | 10283622 |
| 9 | 143607345 |
| 10 | 2041497919 |
| 11 | 29446248496 |
| 12 | 429858432108 |