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 | 6 |
| 2 | 27 |
| 3 | 13598 |
| 4 | 43611 |
| 5 | 24643510 |
| 6 | 71683711 |
| 7 | 78714901 |
| 8 | 268561754 |
| 9 | 4261759184 |
| 10 | 82638677082 |
| 11 | 548535559133 |
| 12 | 8773143366618 |