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Number of (n+1)X(5+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 20:00:18

%S 7279536,14522811996,28911058486029,57599526297754843,

%T 114759773653630134486,228648289988622704385854,

%U 455562927063978805202146318,907671741743150889238106215589

%N Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements

%C Column 5 of A251359

%H R. H. Hardin, <a href="/A251356/b251356.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014