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) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 6 |
| 3 | 12 |
| 4 | 24 |
| 5 | 40 |
| 6 | 72 |
| 7 | 92 |
| 8 | 132 |
| 9 | 180 |
| 10 | 276 |
| 11 | 432 |
| 12 | 756 |
| 13 | 918 |
| 14 | 1232 |
| 15 | 1746 |
| 16 | 3290 |
| 17 | 4266 |