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 | 5 |
| 2 | 6 |
| 3 | 10 |
| 4 | 22 |
| 5 | 24 |
| 6 | 60 |
| 7 | 130 |
| 8 | 184 |
| 9 | 1012 |
| 10 | 2272 |
| 11 | 18904 |
| 12 | 33664 |
| 13 | 70564 |
| 14 | 85936 |
| 15 | 100804 |
| 16 | 391612 |
| 17 | 527872 |
| 18 | 1090912 |
| 19 | 17619844 |
| 20 | 2147713024 |
| 21 | 6800695312 |
| 22 | 34360655872 |
| 23 | 549759483904 |
| 24 | 1661355408388 |