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 | 0 |
| 2 | 6 |
| 3 | 36 |
| 4 | 108 |
| 5 | 240 |
| 6 | 450 |
| 7 | 756 |
| 8 | 1176 |
| 9 | 1728 |
| 10 | 2430 |
| 11 | 3300 |
| 12 | 4356 |
| 13 | 5616 |
| 14 | 7098 |
| 15 | 8820 |
| 16 | 10800 |
| 17 | 13056 |
| 18 | 15606 |
| 19 | 18468 |
| 20 | 21660 |
| 21 | 25200 |
| 22 | 29106 |
| 23 | 33396 |
| 24 | 38088 |
| 25 | 43200 |
| 26 | 48750 |
| 27 | 54756 |
| 28 | 61236 |
| 29 | 68208 |
| 30 | 75690 |
| 31 | 83700 |
| 32 | 92256 |