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Number of (n+2)X(4+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column
1

%I #4 Nov 24 2014 09:19:54

%S 68921,1410255,26447174,495646476,7889877354,116007921130,

%T 1660639294043,22580651735877,293919481919578,3726137451883967,

%U 46029211052776422,554800391201546024,6558522282702290700,76224412940816223931

%N Number of (n+2)X(4+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column

%C Column 4 of A250504

%H R. H. Hardin, <a href="/A250500/b250500.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 24 2014