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 | 1 |
| 1 | 8 |
| 2 | 72 |
| 3 | 688 |
| 4 | 6752 |
| 5 | 67008 |
| 6 | 668032 |
| 7 | 6672128 |
| 8 | 66688512 |
| 9 | 666754048 |
| 10 | 6667016192 |
| 11 | 66668064768 |
| 12 | 666672259072 |
| 13 | 6666689036288 |
| 14 | 66666756145152 |
| 15 | 666667024580608 |
| 16 | 6666668098322432 |
| 17 | 66666672393289728 |
| 18 | 666666689573158912 |
| 19 | 6666666758292635648 |