A320605 Duplicate of A319851.
8, 240, 18264, 2845440, 792731520, 359935488000, 248962406889600
Offset: 3
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.