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A194539 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 0

%I

%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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Last modified December 5 06:35 EST 2022. Contains 358582 sequences. (Running on oeis4.)