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 | 2 |
| 2 | 16 |
| 3 | 192 |
| 4 | 2918 |
| 5 | 50056 |
| 6 | 960768 |
| 7 | 20131806 |
| 8 | 457409970 |
| 9 | 11150852808 |
| 10 | 289758406436 |
| 11 | 7967769748260 |
| 12 | 230532386847752 |
| 13 | 6983503345581224 |
| 14 | 220672028562301742 |