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 | 40 |
| 2 | 152 |
| 3 | 18056 |
| 4 | 66027 |
| 5 | 8499558 |
| 6 | 33222962 |
| 7 | 4442977704 |
| 8 | 17052604235 |
| 9 | 2254057282528 |
| 10 | 8454420786242 |