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) |
|---|---|
| 2 | 15 |
| 3 | 475 |
| 4 | 1023 |
| 5 | 222 |
| 6 | 1924475 |
| 7 | 26910204 |
| 8 | 191999912 |
| 9 | 240365505 |
| 10 | 10127638898 |
| 11 | 15357419170 |