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 | 0 |
| 1 | 1 |
| 2 | 65792 |
| 3 | 64579923 |
| 4 | 8590065664 |
| 5 | 381470703125 |
| 6 | 8463334761216 |
| 7 | 116315277170407 |
| 8 | 1125899973951488 |
| 9 | 8338591043543529 |
| 10 | 50000000500000000 |
| 11 | 252723515428620731 |
| 12 | 1109305555950108672 |
| 13 | 4325207964992918653 |