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 | 3 |
| 2 | 12 |
| 3 | 57 |
| 4 | 264 |
| 5 | 282 |
| 6 | 1299 |
| 7 | 1317 |
| 8 | 1407 |
| 9 | 6060 |
| 10 | 6384 |
| 11 | 6474 |
| 12 | 6492 |
| 13 | 6582 |
| 14 | 7032 |
| 15 | 29775 |
| 16 | 29865 |
| 17 | 30279 |
| 18 | 30297 |
| 19 | 31809 |
| 20 | 31917 |
| 21 | 32349 |
| 22 | 32367 |
| 23 | 32457 |
| 24 | 32907 |
| 25 | 35157 |
| 26 | 138864 |
| 27 | 139368 |
| 28 | 146730 |
| 29 | 146820 |
| 30 | 148350 |
| 31 | 148764 |
| 32 | 148872 |
| 33 | 148890 |
| 34 | 149304 |
| 35 | 149322 |
| 36 | 151374 |