A111341 - OEIS

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A111341

A035481(n-1) - A058162(n), number of Latin squares in dimension n with first row and first column 1,2,3 ..., n which are non-associative but commutative (element ij = element ji).

%I #10 Nov 06 2013 03:19:06

%S 0,0,0,50,396,6120

%N A035481(n-1) - A058162(n), number of Latin squares in dimension n with first row and first column 1,2,3 ..., n which are non-associative but commutative (element ij = element ji).

%C At order 6 there are commutative but non-associative Latin squares. - _Artur Jasinski_, Dec 08 2006

%K nonn

%O 3,4

%A _Artur Jasinski_, Nov 06 2005