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) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 259 |
| 3 | 12916 |
| 4 | 1057221 |
| 5 | 128816766 |
| 6 | 21878089479 |
| 7 | 4940831601000 |
| 8 | 1432009163039625 |
| 9 | 518142759828635250 |
| 10 | 228929627246078500875 |
| 11 | 121292816354463333793500 |
| 12 | 75908014254880833434338125 |
| 13 | 55399444912646408707007883750 |
| 14 | 46636497509226736668824289999375 |