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 | 1 |
| 2 | 5 |
| 3 | 49 |
| 4 | 1025 |
| 5 | 42241 |
| 6 | 3610625 |
| 7 | 609251329 |
| 8 | 210923290625 |
| 9 | 144320565411841 |
| 10 | 201501092228890625 |
| 11 | 556475188311619534849 |
| 12 | 3125896980250691972890625 |
| 13 | 34751531654955460673195212801 |
| 14 | 784223845648499469575195012890625 |