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 | 16 |
| 3 | 201 |
| 4 | 3736 |
| 5 | 95545 |
| 6 | 2738856 |
| 7 | 82152385 |
| 8 | 2526574240 |
| 9 | 78991868961 |
| 10 | 2498812448320 |
| 11 | 79748142780361 |
| 12 | 2562704059745688 |
| 13 | 82808387862053113 |
| 14 | 2687915950092986536 |
| 15 | 87578455481326007745 |
| 16 | 2862650767821013111936 |