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 | 31 |
| 3 | 44 |
| 4 | 59 |
| 5 | 76 |
| 6 | 83 |
| 7 | 107 |
| 8 | 108 |
| 9 | 139 |
| 10 | 172 |
| 11 | 211 |
| 12 | 243 |
| 13 | 268 |
| 14 | 283 |
| 15 | 307 |
| 16 | 331 |
| 17 | 379 |
| 18 | 499 |
| 19 | 547 |
| 20 | 643 |
| 21 | 652 |
| 22 | 883 |
| 23 | 907 |