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 | 1 |
| 1 | 0 |
| 2 | 276 |
| 3 | 888 |
| 4 | 3564 |
| 5 | 8136 |
| 6 | 16908 |
| 7 | 30456 |
| 8 | 58380 |
| 9 | 74256 |
| 10 | 145800 |
| 11 | 186048 |
| 12 | 265866 |
| 13 | 363528 |
| 14 | 555384 |
| 15 | 576000 |
| 16 | 939924 |
| 17 | 1063800 |
| 18 | 1355820 |
| 19 | 1659528 |
| 20 | 2302704 |
| 21 | 2206848 |
| 22 | 3387744 |
| 23 | 3557664 |
| 24 | 4263468 |
| 25 | 4961736 |
| 26 | 6611736 |
| 27 | 6043416 |
| 28 | 8841960 |
| 29 | 9005112 |
| 30 | 10439424 |
| 31 | 11761848 |
| 32 | 15056124 |