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 | 279936 |
| 1 | 170859375 |
| 2 | 4586471424 |
| 3 | 42618442977 |
| 4 | 230539333248 |
| 5 | 897410677851 |
| 6 | 2799360000000 |
| 7 | 7446353252589 |
| 8 | 17565568854912 |
| 9 | 37725479487783 |
| 10 | 75144747810816 |
| 11 | 140710042265625 |
| 12 | 250226879128704 |
| 13 | 425927596977747 |