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 | 7 |
| 2 | 73 |
| 3 | 97 |
| 4 | 115 |
| 5 | 205 |
| 6 | 985 |
| 7 | 1227 |
| 8 | 4795 |
| 9 | 20721 |
| 10 | 133581 |
| 11 | 411591 |