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 | 3 |
| 2 | 4 |
| 3 | 15 |
| 4 | 12 |
| 5 | 39 |
| 6 | 54 |
| 7 | 79 |
| 8 | 86 |
| 9 | 144 |
| 10 | 318 |
| 11 | 1591 |
| 12 | 144 |
| 13 | 20131 |
| 14 | 2014 |
| 15 | 1764 |
| 16 | 1308 |
| 17 | 46656 |
| 18 | 1296 |