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Number of (4+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors
1

%I #4 Mar 11 2014 19:55:23

%S 96,4338,130890,4140964,141857204,4845741276,164832769586,

%T 5599418921698,190195696304560,6461159416603066,219523090735636884,

%U 7458704803405213070,253417930428586993926,8610020171945074510358,292529883372379893547602

%N Number of (4+1)X(n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

%C Row 4 of A239178

%H R. H. Hardin, <a href="/A239182/b239182.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 11 2014