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 | 83 |
| 2 | 38383883 |
| 3 | 88838333 |
| 4 | 3338388883 |
| 5 | 3388338883 |
| 6 | 3388833883 |
| 7 | 3388838833 |
| 8 | 3833388883 |
| 9 | 3838383883 |
| 10 | 3838388383 |
| 11 | 3838838383 |
| 12 | 3838883383 |
| 13 | 3883883833 |
| 14 | 8333888383 |
| 15 | 8338383883 |
| 16 | 8338888333 |
| 17 | 8383338883 |
| 18 | 8383388383 |
| 19 | 8383888333 |
| 20 | 8388338383 |
| 21 | 8388883333 |
| 22 | 8833383883 |