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 | 8 |
| 2 | 64 |
| 3 | 512 |
| 4 | 3375 |
| 5 | 21952 |
| 6 | 132651 |
| 7 | 778688 |
| 8 | 4410944 |
| 9 | 24389000 |
| 10 | 131872229 |
| 11 | 700227072 |
| 12 | 3659383421 |
| 13 | 18863581528 |
| 14 | 96071912000 |
| 15 | 484106454208 |
| 16 | 2416353439059 |
| 17 | 11958715956032 |
| 18 | 58732317850311 |
| 19 | 286451826688000 |
| 20 | 1388285542167616 |