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 | 3 |
| 2 | 11 |
| 3 | 25 |
| 4 | 341 |
| 5 | 1827 |
| 6 | 2581 |
| 7 | 4475 |
| 8 | 11157 |
| 9 | 41141 |
| 10 | 64721 |