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 | 488 |
| 2 | 37530 |
| 3 | 2553223 |
| 4 | 160648302 |
| 5 | 9704449810 |
| 6 | 561578131760 |
| 7 | 31002396811493 |
| 8 | 1636366978468967 |