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Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 4Xn array
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%I #3 Dec 08 2012 04:52:27

%S 1,65,697,8819,103153,1198517,13984325,162860081,1899235666,

%T 22140957718,258110850794,3008979133203,35076844684438,

%U 408906034346273,4766777877458791

%N Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 4Xn array

%C Row 4 of A220226

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 08 2012