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 | 0 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 29 |
| 6 | 93 |
| 7 | 177 |
| 8 | 195 |
| 9 | 563 |
| 10 | 1800 |
| 11 | 3519 |
| 12 | 3537 |
| 13 | 8232 |
| 14 | 35160 |
| 15 | 37404 |
| 16 | 42329 |
| 17 | 70050 |
| 18 | 90791 |