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 | 6 |
| 2 | 36 |
| 3 | 216 |
| 4 | 1296 |
| 5 | 7776 |
| 6 | 46440 |
| 7 | 276054 |
| 8 | 1633848 |
| 9 | 9633366 |
| 10 | 56616132 |
| 11 | 331847118 |
| 12 | 1940715960 |
| 13 | 11327957196 |
| 14 | 66010769382 |
| 15 | 384094025382 |
| 16 | 2231978658906 |