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 | 76 |
| 3 | 752 |
| 4 | 7504 |
| 5 | 75008 |
| 6 | 750016 |
| 7 | 7500032 |
| 8 | 75000064 |
| 9 | 750000128 |
| 10 | 7500000256 |
| 11 | 75000000512 |
| 12 | 750000001024 |
| 13 | 7500000002048 |
| 14 | 75000000004096 |
| 15 | 750000000008192 |
| 16 | 7500000000016384 |
| 17 | 75000000000032768 |
| 18 | 750000000000065536 |