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Number of SOLSSOMs of order n.
2

%I #12 Dec 27 2023 17:50:58

%S 1152,172800,0,12192768000,608662978560000,464573723443200000,0

%N Number of SOLSSOMs of order n.

%C A SOLSSOM is a self-orthogonal Latin square with a symmetric orthogonal mate.

%D 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)

%Y Cf. A166487, A166488, A166489.

%K hard,more,nonn

%O 4,1

%A _Martin P Kidd_, Oct 21 2009

%E Number for n=8 corrected by _Martin P Kidd_, Nov 01 2010