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 | 84 |
| 3 | 48552 |
| 4 | 308642476 |
| 5 | 27467664499412 |
| 6 | 32766523337754473494 |
| 7 | 516228209623915573866603862 |
| 8 | 107889416526594162925859037893676244 |