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 | 119911 |
| 3 | 2510 |
| 4 | 21372 |
| 5 | 1943795 |
| 6 | 73171842 |
| 7 | 113678565 |
| 8 | 13121675970 |
| 9 | 297115923720 |
| 10 | 73605381139290 |
| 11 | 255360234137190 |
| 12 | 43759729761726090 |