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 | 3 |
| 2 | 6 |
| 3 | 12 |
| 4 | 12 |
| 5 | 174600 |
| 6 | 7224840 |
| 7 | 10780560 |
| 8 | 10780560 |
| 9 | 1086338816640 |
| 10 | 50060257410240 |
| 11 | 7720634052774720 |
| 12 | 227457297898150320 |
| 13 | 7272877497848202240 |
| 14 | 7272877497848202240 |