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%I #4 Mar 31 2012 12:36:22
%S 69,12438,12561823,73569838704,2481372954501732,481414314393133400117
%N Half the number of lower triangles of an (n+1)X(n+1) 0..5 array with no element equal to the average of its horizontal and vertical neighbors
%C Column 5 of A194615
%e Some solutions for 3X3
%e ..0......0......3......3......1......2......2......5......4......2......1
%e ..2.0....4.3....0.0....0.3....4.4....5.0....1.0....1.1....0.2....1.2....0.5
%e ..1.5.2..0.4.0..0.4.3..4.1.2..5.0.5..2.4.0..0.4.5..2.5.1..4.2.4..4.1.2..2.5.4
%K nonn
%O 1,1
%A _R. H. Hardin_ Aug 30 2011