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Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements
1

%I #4 Dec 01 2014 19:59:42

%S 536886,307396791,175856353691,100642035373984,57599526297754843,

%T 32965636361618419743,18867073782293000228991,

%U 10798111634575115296785502,6180037088514252176264580335,3536994174416963332789990047626

%N Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements

%C Column 4 of A251359

%H R. H. Hardin, <a href="/A251355/b251355.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..2..2..0..3..3....2..0..2..1..0....0..0..1..1..1....3..2..0..1..1

%e ..0..3..3..2..0....0..3..1..2..2....0..2..1..0..2....0..1..2..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014