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Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
1

%I #6 Jun 20 2022 00:46:16

%S 661952,1253088,2377712,5614248,13220576,37361280,104366624,337733136,

%T 1071197312,3852945648,13488692192,52934698608,200940369536,

%U 848534610480,3445424849504,15464021986416,66358350190592,312931901162928

%N Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).

%H R. H. Hardin, <a href="/A234688/b234688.txt">Table of n, a(n) for n = 1..19</a>

%e Some solutions for n=1:

%e 0 6 3 4 4 6 3 0 0 1 5 1 5 1 0 5 3 3 3 6 0

%e 2 3 5 1 6 3 5 5 0 6 5 6 5 6 3 3 6 1 6 4 3

%Y Column 6 of A234690.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 29 2013