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 | 0 |
| 4 | 8 |
| 5 | 48 |
| 6 | 176 |
| 7 | 384 |
| 8 | 664 |
| 9 | 1016 |
| 10 | 1440 |
| 11 | 1936 |
| 12 | 2504 |
| 13 | 3144 |
| 14 | 3856 |
| 15 | 4640 |
| 16 | 5496 |
| 17 | 6424 |
| 18 | 7424 |
| 19 | 8496 |
| 20 | 9640 |
| 21 | 10856 |
| 22 | 12144 |
| 23 | 13504 |
| 24 | 14936 |
| 25 | 16440 |
| 26 | 18016 |
| 27 | 19664 |
| 28 | 21384 |
| 29 | 23176 |
| 30 | 25040 |
| 31 | 26976 |
| 32 | 28984 |
| 33 | 31064 |
| 34 | 33216 |
| 35 | 35440 |
| 36 | 37736 |
| 37 | 40104 |
| 38 | 42544 |
| 39 | 45056 |
| 40 | 47640 |
| 41 | 50296 |