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 | 37 |
| 3 | 1261 |
| 4 | 42841 |
| 5 | 1455337 |
| 6 | 49438621 |
| 7 | 1679457781 |
| 8 | 57052125937 |
| 9 | 1938092824081 |
| 10 | 65838103892821 |
| 11 | 2236557439531837 |
| 12 | 75977114840189641 |
| 13 | 2580985347126915961 |
| 14 | 87677524687474953037 |
| 15 | 2978454854027021487301 |
| 16 | 101179787512231255615201 |
| 17 | 3437134320561835669429537 |