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 | 24 |
| 3 | 66 |
| 4 | 70 |
| 5 | 88 |
| 6 | 156 |
| 7 | 180 |
| 8 | 476 |
| 9 | 480 |
| 10 | 484 |
| 11 | 1292 |
| 12 | 3182 |
| 13 | 3440 |
| 14 | 3444 |
| 15 | 3604 |
| 16 | 5724 |
| 17 | 6486 |
| 18 | 7470 |
| 19 | 8466 |
| 20 | 12426 |