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 | 8 |
| 2 | 80 |
| 3 | 580 |
| 4 | 3172 |
| 5 | 13934 |
| 6 | 51768 |
| 7 | 168314 |
| 8 | 491187 |
| 9 | 1310474 |
| 10 | 3241912 |
| 11 | 7518232 |
| 12 | 16487840 |
| 13 | 34435060 |
| 14 | 68887342 |
| 15 | 132636714 |
| 16 | 246789735 |
| 17 | 445262312 |
| 18 | 781274626 |
| 19 | 1336560456 |
| 20 | 2234216814 |
| 21 | 3656356722 |
| 22 | 5868037410 |
| 23 | 9249277184 |
| 24 | 14337411833 |