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Number of (4+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 08:13:57

%S 2448,298912,33162868,3795674252,433383414596,49550984711452,

%T 5664993176292288,647700628194870872,74053929808545025552,

%U 8466867333806114553152,968048831724850940855792

%N Number of (4+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 4 of A232137

%H R. H. Hardin, <a href="/A232141/b232141.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 19 2013