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 | 12 |
| 2 | 20 |
| 3 | 21 |
| 4 | 22 |
| 5 | 27 |
| 6 | 35 |
| 7 | 61 |
| 8 | 65 |
| 9 | 74 |
| 10 | 82 |
| 11 | 85 |
| 12 | 141 |
| 13 | 146 |
| 14 | 177 |
| 15 | 187 |
| 16 | 194 |
| 17 | 226 |
| 18 | 299 |
| 19 | 323 |
| 20 | 329 |
| 21 | 337 |