A060071 Duplicate of A037205.
0, 1, 8, 63, 624, 7775, 117648, 2097151, 43046720, 999999999, 25937424600
Offset: 1
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.