%I #5 Dec 18 2015 18:17:44
%S 1,4,132,68106,703256449,108504879480483,153378412416345530447
%N Number of lower triangles of an n X n 0..7 array with new values introduced in row major order 0..7 and no element equal to more than one horizontal or vertical neighbor
%C Column 7 of A194540
%e Some solutions for 3X3
%e ..0......0......0......0......0......0......0......0......0......0......0
%e ..1.1....1.1....1.0....1.2....0.1....1.2....1.2....1.2....0.1....1.2....1.2
%e ..2.2.0..0.2.0..0.2.3..1.3.3..2.3.1..0.3.4..1.3.2..2.0.3..2.2.1..0.3.2..0.1.2
%K nonn
%O 1,2
%A _R. H. Hardin_ Aug 28 2011
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