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 | 7 |
| 3 | 212 |
| 4 | 8126 |
| 5 | 241995 |
| 6 | 3539990 |
| 7 | 1330820 |
| 8 | 12222533493 |
| 9 | 3249880870 |