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 | 2526 |
| 2 | 173 |
| 3 | 5 |
| 4 | 1 |
| 5 | 17 |
| 6 | 11 |
| 7 | 89 |
| 8 | 1049 |
| 9 | 111539 |
| 10 | 213341 |
| 11 | 54848527 |