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) |
|---|---|
| 6 | 4 |
| 7 | 11 |
| 8 | 25 |
| 9 | 63 |
| 10 | 134 |
| 11 | 268 |
| 12 | 508 |
| 13 | 1013 |
| 14 | 1901 |
| 15 | 3773 |
| 16 | 7208 |
| 17 | 13834 |
| 18 | 26353 |
| 19 | 50343 |
| 20 | 96122 |
| 21 | 184354 |
| 22 | 354218 |