OFFSET
4,1
COMMENTS
A SOLSSOM is a self-orthogonal Latin square with a symmetric orthogonal mate. A SOLSSOM is standard if the self-orthogonal Latin square is idempotent and if the symmetric mate is reduced.
REFERENCES
A.P. Burger, M.P. Kidd and J.H. van Vuuren, Enumeration of self-orthogonal Latin squares with symmetric orthogonal mates, Submitted to LitNet Akademies (Natuurwetenskappe)
CROSSREFS
KEYWORD
hard,more,nonn
AUTHOR
Martin P Kidd, Oct 21 2009
EXTENSIONS
Definition and number of order 8 (now includes non-unipotent SOLSSOMs) corrected by Martin P Kidd, Nov 01 2010
STATUS
approved