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A194499 Number of lower triangles of an n X n 0..2 array with each element unequal to the sum mod 3 of its horizontal and vertical neighbors 0

%I #6 Dec 18 2015 18:17:43

%S 2,8,72,1020,32768,2097152,268460064,68721573888,35184372088832,

%T 36028797020012544

%N Number of lower triangles of an n X n 0..2 array with each element unequal to the sum mod 3 of its horizontal and vertical neighbors

%C Column 2 of A194505

%e Some solutions for 3X3

%e ..1......1......2......0......0......0......0......2......0......1......1

%e ..0.0....2.0....0.0....2.0....2.1....2.2....2.2....1.2....2.0....0.2....2.1

%e ..1.2.0..2.2.1..0.1.2..0.2.0..2.1.0..1.1.0..1.1.2..1.2.0..0.2.1..2.1.2..1.1.0

%K nonn

%O 1,1

%A _R. H. Hardin_ Aug 27 2011

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Last modified March 29 08:01 EDT 2024. Contains 371265 sequences. (Running on oeis4.)