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 | 7 |
| 6 | 15 |
| 7 | 16 |
| 8 | 17 |
| 9 | 78 |
| 10 | 97 |
| 11 | 101 |
| 12 | 120 |
| 13 | 174 |
| 14 | 214 |
| 15 | 239 |
| 16 | 261 |
| 17 | 263 |
| 18 | 296 |
| 19 | 380 |
| 20 | 557 |
| 21 | 1287 |
| 22 | 1524 |
| 23 | 1722 |
| 24 | 1911 |
| 25 | 2023 |
| 26 | 2373 |