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 | 24 |
| 2 | 219 |
| 3 | 2790 |
| 4 | 32911 |
| 5 | 401678 |
| 6 | 4870764 |
| 7 | 59210634 |
| 8 | 719647644 |
| 9 | 8748946600 |
| 10 | 106360216813 |
| 11 | 1293051641215 |
| 12 | 15720067945295 |
| 13 | 191114672847915 |
| 14 | 2323452694839402 |
| 15 | 28247100678589725 |
| 16 | 343410814460992551 |