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) |
|---|---|
| 8 | 1 |
| 9 | 8 |
| 10 | 45 |
| 11 | 190 |
| 12 | 672 |
| 13 | 2045 |
| 14 | 5580 |
| 15 | 13868 |
| 16 | 31968 |
| 17 | 69069 |
| 18 | 141284 |
| 19 | 275484 |
| 20 | 515296 |
| 21 | 928952 |
| 22 | 1620895 |
| 23 | 2746538 |
| 24 | 4533060 |
| 25 | 7305216 |
| 26 | 11520492 |
| 27 | 17811767 |
| 28 | 27043799 |
| 29 | 40380695 |
| 30 | 59373007 |
| 31 | 86060337 |
| 32 | 123101225 |
| 33 | 173924181 |
| 34 | 242915666 |
| 35 | 335636501 |