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) |
|---|---|
| 5 | 625 |
| 6 | 7776 |
| 7 | 60387 |
| 8 | 373895 |
| 9 | 2019348 |
| 10 | 9941905 |
| 11 | 45765687 |
| 12 | 200160586 |
| 13 | 840783867 |
| 14 | 3418136039 |
| 15 | 13525307849 |
| 16 | 52314181361 |
| 17 | 198451152867 |
| 18 | 740283848220 |
| 19 | 2721325964209 |
| 20 | 9875523648986 |
| 21 | 35429691205221 |
| 22 | 125814678386528 |