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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 16 |
| 6 | 19 |
| 7 | 52 |
| 8 | 55 |
| 9 | 160 |
| 10 | 163 |
| 11 | 484 |
| 12 | 487 |
| 13 | 1456 |
| 14 | 1459 |
| 15 | 4372 |
| 16 | 4375 |
| 17 | 13120 |
| 18 | 13123 |
| 19 | 39364 |
| 20 | 39367 |
| 21 | 118096 |
| 22 | 118099 |
| 23 | 354292 |
| 24 | 354295 |