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Number of (5+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order
1

%I #4 Nov 19 2013 08:14:36

%S 18272,6056640,1825568436,568008109436,176569302110496,

%T 54960219182423136,17107853745211295232,5325678820913538275524,

%U 1657890273072455653181040,516105170304715030150601160,160664786921134786859505283136

%N Number of (5+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order

%C Row 5 of A232137

%H R. H. Hardin, <a href="/A232142/b232142.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 19 2013