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 | 16 |
| 3 | 96 |
| 4 | 256 |
| 5 | 2500 |
| 6 | 9216 |
| 7 | 62496 |
| 8 | 147456 |
| 9 | 1499904 |
| 10 | 6250000 |
| 11 | 39037504 |
| 12 | 84934656 |
| 13 | 971882496 |
| 14 | 3905750016 |
| 15 | 23437500000 |
| 16 | 57415827456 |
| 17 | 610351562496 |
| 18 | 2249712009216 |
| 19 | 15258773437504 |
| 20 | 39062500000000 |
| 21 | 366140629499904 |
| 22 | 1523926718550016 |
| 23 | 9536743164062496 |
| 24 | 16231265527136256 |
| 25 | 238418579101562500 |