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Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX3 array
1

%I #5 Dec 12 2012 19:24:09

%S 4,40,367,3014,24345,193978,1540532,12219682,96894257,768219855,

%T 6090555163,48286349012,382816368708,3034983002768,24061456658532,

%U 190760098278499,1512352923646137,11989988327330630,95057058166697566

%N Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX3 array

%C Column 3 of A220369

%H R. H. Hardin, <a href="/A220366/b220366.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 12 2012