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 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 16 |
| 6 | 22 |
| 7 | 39 |
| 8 | 76 |
| 9 | 116 |
| 10 | 139 |
| 11 | 149 |
| 12 | 169 |
| 13 | 179 |
| 14 | 220 |
| 15 | 372 |
| 16 | 429 |
| 17 | 1216 |
| 18 | 2146 |
| 19 | 3176 |
| 20 | 5382 |
| 21 | 5969 |
| 22 | 12271 |
| 23 | 15271 |
| 24 | 43903 |