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) |
|---|---|
| 2 | 1 |
| 3 | 32 |
| 4 | 219 |
| 5 | 698 |
| 6 | 1657 |
| 7 | 3336 |
| 8 | 6023 |
| 9 | 10054 |
| 10 | 15813 |
| 11 | 23732 |
| 12 | 34291 |
| 13 | 48018 |
| 14 | 65489 |
| 15 | 87328 |
| 16 | 114207 |
| 17 | 146846 |
| 18 | 186013 |
| 19 | 232524 |