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Number of (n+1)X(3+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 19:58:59

%S 39594,6505867,1069722970,175856353691,28911058486029,

%T 4753101689364667,781429834781394639,128470266539946353830,

%U 21121039588187990329306,3472385783690000266013135,570874503557055700858958484

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

%C Column 3 of A251359

%H R. H. Hardin, <a href="/A251354/b251354.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251354/a251354.txt">Empirical recurrence of order 96</a>

%F Empirical recurrence of order 96 (see link above)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014