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 | 6 |
| 2 | 45 |
| 3 | 55 |
| 4 | 80 |
| 5 | 135 |
| 6 | 187 |
| 7 | 205 |
| 8 | 384 |
| 9 | 405 |
| 10 | 1291 |
| 11 | 1364 |
| 12 | 2301 |
| 13 | 2486 |
| 14 | 2844 |
| 15 | 16892 |
| 16 | 27308 |
| 17 | 30152 |
| 18 | 32535 |
| 19 | 45324 |
| 20 | 71522 |
| 21 | 72865 |