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 | 23 |
| 2 | 25 |
| 3 | 35 |
| 4 | 27 |
| 5 | 37 |
| 6 | 57 |
| 7 | 211 |
| 8 | 311 |
| 9 | 511 |
| 10 | 711 |
| 11 | 213 |
| 12 | 313 |
| 13 | 513 |
| 14 | 713 |
| 15 | 1113 |
| 16 | 217 |
| 17 | 317 |
| 18 | 517 |
| 19 | 717 |
| 20 | 1117 |
| 21 | 1317 |
| 22 | 219 |
| 23 | 319 |
| 24 | 519 |
| 25 | 719 |
| 26 | 1119 |
| 27 | 1319 |
| 28 | 1719 |