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 | 19 |
| 2 | 22 |
| 3 | 57 |
| 4 | 59 |
| 5 | 107 |
| 6 | 131 |
| 7 | 253 |
| 8 | 278 |
| 9 | 309 |
| 10 | 341 |
| 11 | 381 |
| 12 | 749 |
| 13 | 813 |
| 14 | 893 |
| 15 | 1893 |
| 16 | 2453 |
| 17 | 2757 |
| 18 | 3317 |