A090766 Duplicate of A069651.
1, 2, 18, 1200, 735000, 4667544000, 332086420512000, 279394363051195392000
Offset: 0
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.