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Number of (n+1) X (5+1) 0..3 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.
1

%I #6 Mar 24 2023 10:22:21

%S 3888017,4414109389,4653177899915,5038742133151250,

%T 5400094007696295470,5809497281904741777928,6240722966413231119519432,

%U 6707536974622984610354846955,7207752366591886246788913245909

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

%C Column 5 of A251442.

%H R. H. Hardin, <a href="/A251439/b251439.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%Y Cf. A251442.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014