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 | 1 |
| 1 | 17 |
| 2 | 323 |
| 3 | 5814 |
| 4 | 104958 |
| 5 | 1889227 |
| 6 | 34011900 |
| 7 | 612213877 |
| 8 | 11019954438 |
| 9 | 198359179578 |
| 10 | 3570467115834 |
| 11 | 64268408079198 |
| 12 | 1156831379431973 |
| 13 | 20822964829665048 |
| 14 | 374813367546080412 |
| 15 | 6746640615829343087 |
| 16 | 121439531095946141922 |
| 17 | 2185911559727028566514 |