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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 3 |
| 6 | 978 |
| 7 | 1485 |
| 8 | 729 |
| 9 | 138 |
| 10 | 56630832 |
| 11 | 75503872 |
| 12 | 37755904 |
| 13 | 8390656 |
| 14 | 700688 |
| 15 | 813802235250650 |
| 16 | 1017252851596875 |