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 | 36 |
| 2 | 756 |
| 3 | 12096 |
| 4 | 163296 |
| 5 | 1959552 |
| 6 | 21555072 |
| 7 | 221709312 |
| 8 | 2161665792 |
| 9 | 20175547392 |
| 10 | 181579926528 |
| 11 | 1584697540608 |
| 12 | 13469929095168 |
| 13 | 111904026329088 |
| 14 | 911218500108288 |
| 15 | 7289748000866304 |
| 16 | 57406765506822144 |
| 17 | 445746649817677824 |