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 | 1 |
| 2 | 7 |
| 3 | 37 |
| 4 | 99 |
| 5 | 2557 |
| 6 | 32587 |
| 7 | 543097 |
| 8 | 10242787 |
| 9 | 232889539 |
| 10 | 146710424885 |
| 11 | 207263519017 |