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 | 5 |
| 2 | 288 |
| 3 | 6112 |
| 4 | 74248 |
| 5 | 631264 |
| 6 | 5006296 |
| 7 | 34825856 |
| 8 | 249438952 |
| 9 | 1579115104 |