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 | 16470 |
| 3 | 44899 |
| 4 | 79873884 |
| 5 | 711939213 |
| 6 | 36541622473 |
| 7 | 45677255610 |
| 8 | 62644957128 |
| 9 | 656430109694 |