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 | 1008 |
| 1 | 21168 |
| 2 | 127008 |
| 3 | 465696 |
| 4 | 1297296 |
| 5 | 3027024 |
| 6 | 6237504 |
| 7 | 11721024 |
| 8 | 20511792 |
| 9 | 33918192 |
| 10 | 53555040 |
| 11 | 81375840 |
| 12 | 119705040 |
| 13 | 171270288 |
| 14 | 239234688 |
| 15 | 327229056 |
| 16 | 439384176 |
| 17 | 580363056 |
| 18 | 755393184 |
| 19 | 970298784 |
| 20 | 1231533072 |
| 21 | 1546210512 |
| 22 | 1922139072 |
| 23 | 2367852480 |
| 24 | 2892642480 |
| 25 | 3506591088 |
| 26 | 4220602848 |