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 | 4053 |
| 5 | 31822 |
| 6 | 248143 |
| 7 | 1923796 |
| 8 | 14840928 |
| 9 | 113998742 |
| 10 | 872397577 |
| 11 | 6654286340 |
| 12 | 50608816911 |
| 13 | 383908730032 |
| 14 | 2905532655620 |
| 15 | 21944295375268 |
| 16 | 165426094919204 |
| 17 | 1244944198391978 |
| 18 | 9354631892435631 |
| 19 | 70193014149728040 |