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 | 64 |
| 1 | 1000000 |
| 2 | 34012224 |
| 3 | 308915776 |
| 4 | 1544804416 |
| 5 | 5489031744 |
| 6 | 15625000000 |
| 7 | 38068692544 |
| 8 | 82653950016 |
| 9 | 164206490176 |
| 10 | 304006671424 |
| 11 | 531441000000 |
| 12 | 885842380864 |
| 13 | 1418519112256 |
| 14 | 2194972623936 |
| 15 | 3297303959104 |