Number of reduced Latin squares of order n; labeled loops (quasigroups with an identity element) and a fixed identity.
1, 1, 1, 4, 56, 9408, 16942080, 535281401856, 377597570964258816
1 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java