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) |
|---|---|
| 0 | 8 |
| 1 | 9 |
| 2 | 71 |
| 3 | 80 |
| 4 | 1351 |
| 5 | 1431 |
| 6 | 11368 |
| 7 | 12799 |
| 8 | 216152 |
| 9 | 228951 |
| 10 | 1818809 |
| 11 | 2047760 |
| 12 | 34582969 |
| 13 | 36630729 |
| 14 | 290998072 |
| 15 | 327628801 |
| 16 | 5533058888 |
| 17 | 5860687689 |
| 18 | 46557872711 |
| 19 | 52418560400 |
| 20 | 885254839111 |
| 21 | 937673399511 |
| 22 | 7448968635688 |
| 23 | 8386642035199 |
| 24 | 141635241198872 |
| 25 | 150021883234071 |