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 | 4 |
| 3 | 10 |
| 4 | 28 |
| 5 | 36 |
| 6 | 66 |
| 7 | 144 |
| 8 | 192 |
| 9 | 340 |
| 10 | 570 |
| 11 | 1200 |
| 12 | 1656 |
| 13 | 3456 |
| 14 | 5616 |
| 15 | 9072 |
| 16 | 10752 |
| 17 | 22176 |