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 | 1 |
| 2 | 12 |
| 3 | 18 |
| 4 | 58 |
| 5 | 132 |
| 6 | 153 |
| 7 | 1332 |
| 8 | 1541 |
| 9 | 6018 |
| 10 | 11981 |
| 11 | 13332 |
| 12 | 40278 |
| 13 | 124753 |
| 14 | 133332 |
| 15 | 603121 |
| 16 | 1332507 |
| 17 | 1333332 |
| 18 | 13332507 |
| 19 | 13333332 |
| 20 | 19072906 |
| 21 | 133332507 |
| 22 | 133333332 |
| 23 | 485569333 |
| 24 | 486040907 |
| 25 | 612880278 |
| 26 | 1247972658 |
| 27 | 1333332507 |