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 | 5 |
| 5 | 6 |
| 6 | 10 |
| 7 | 16 |
| 8 | 21 |
| 9 | 85 |
| 10 | 115 |
| 11 | 118 |
| 12 | 136 |
| 13 | 169 |
| 14 | 177 |
| 15 | 346 |
| 16 | 1272 |
| 17 | 2624 |
| 18 | 8823 |
| 19 | 12504 |
| 20 | 13863 |
| 21 | 36507 |
| 22 | 51099 |
| 23 | 63179 |
| 24 | 111473 |
| 25 | 143325 |
| 26 | 153014 |
| 27 | 255220 |
| 28 | 476129 |