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Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
1

%I #4 Jan 15 2014 06:54:30

%S 9476,659235,45143913,3054397001,206338701948,13917264768542,

%T 938576320212723,63284897779329856,4267061431114208101,

%U 287704678019988657956,19398390104285918553851,1307925525422444080438597

%N Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

%C Column 6 of A235736

%H R. H. Hardin, <a href="/A235734/b235734.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 15 2014