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 | 0 |
| 2 | 0 |
| 3 | 6 |
| 4 | 32 |
| 5 | 200 |
| 6 | 384 |
| 7 | 1470 |
| 8 | 2688 |
| 9 | 5400 |
| 10 | 9600 |
| 11 | 18150 |
| 12 | 27168 |
| 13 | 44616 |
| 14 | 65856 |
| 15 | 90150 |
| 16 | 140800 |
| 17 | 184960 |
| 18 | 274320 |
| 19 | 331398 |
| 20 | 474400 |
| 21 | 569184 |
| 22 | 774400 |
| 23 | 896126 |
| 24 | 1366656 |
| 25 | 1390000 |
| 26 | 1881984 |
| 27 | 2204982 |
| 28 | 2899232 |
| 29 | 2967048 |
| 30 | 4545600 |
| 31 | 4180350 |
| 32 | 5904384 |