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 | 27 |
| 3 | 120 |
| 4 | 534 |
| 5 | 2256 |
| 6 | 8969 |
| 7 | 33058 |
| 8 | 114149 |
| 9 | 360508 |
| 10 | 930588 |
| 11 | 1350852 |
| 12 | 782536 |
| 13 | 90280 |
| 14 | 276 |