A260321 Erroneous version of A094047.
-1, 0, 2, 12, 312, 9600, 410800, 23879520, 1749363840, 159591720960
Offset: 1
Keywords
Links
- H. M. Taylor, A problem on arrangements, Mess. Math., 32 (1902), 60ff. [Annotated scanned copy]
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.