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 | 88 |
| 3 | 328 |
| 4 | 5128 |
| 5 | 9075 |
| 6 | 327688 |
| 7 | 1310728 |
| 8 | 2066056 |
| 9 | 2259976 |
| 10 | 188186624 |
| 11 | 560889856 |
| 12 | 847020032 |
| 13 | 1342177288 |