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 | 2 |
| 2 | 214 |
| 3 | 14258 |
| 4 | 613950 |
| 5 | 24620522 |
| 6 | 967878370 |
| 7 | 37121438930 |
| 8 | 1401569558590 |
| 9 | 52383342552410 |
| 10 | 1938999772255314 |
| 11 | 71224141762895090 |