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 | 9 |
| 2 | 9 |
| 3 | 81 |
| 4 | 729 |
| 5 | 59049 |
| 6 | 43046721 |
| 7 | 2541865828329 |
| 8 | 109418989131512359209 |
| 9 | 278128389443693511257285776231761 |
| 10 | 30432527221704537086371993251530170531786747066637049 |