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 | 1 |
| 2 | 9 |
| 3 | 54 |
| 4 | 85 |
| 5 | 853 |
| 6 | 1162 |
| 7 | 4209 |
| 8 | 11566 |
| 9 | 20060 |
| 10 | 68048 |
| 11 | 76221 |
| 12 | 441294 |
| 13 | 3007789 |
| 14 | 4521955 |
| 15 | 39443840 |
| 16 | 39755851 |