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 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 969 |
| 7 | 1431 |
| 8 | 729 |
| 9 | 108 |
| 10 | 56615456 |
| 11 | 75491208 |
| 12 | 37741600 |
| 13 | 8386560 |
| 14 | 697501 |