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 | 2 |
| 2 | 18 |
| 3 | 50 |
| 4 | 56 |
| 5 | 57 |
| 6 | 98 |
| 7 | 112 |
| 8 | 114 |
| 9 | 148 |
| 10 | 162 |
| 11 | 224 |
| 12 | 228 |
| 13 | 273 |
| 14 | 280 |
| 15 | 330 |
| 16 | 336 |
| 17 | 338 |
| 18 | 364 |
| 19 | 448 |
| 20 | 504 |
| 21 | 513 |
| 22 | 578 |