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 | 2187 |
| 1 | 10000000 |
| 2 | 410338673 |
| 3 | 4586471424 |
| 4 | 27512614111 |
| 5 | 114415582592 |
| 6 | 373669453125 |
| 7 | 1028071702528 |
| 8 | 2488651484819 |
| 9 | 5455160701056 |
| 10 | 11047398519097 |
| 11 | 20971520000000 |
| 12 | 37725479487783 |
| 13 | 64847759419264 |