A234896 - OEIS

A234896

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 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%I #6 Jun 20 2022 17:36:38

%S 365024,3640580,32110856,385262124,4244726408,57645698844,

%T 700047980248,10265376879740,130326665117372,2018352283446692,

%U 26192627176312696,424153012852309716,5568354008636865548,93740476519314323292

%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 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%H R. H. Hardin, <a href="/A234896/b234896.txt">Table of n, a(n) for n = 1..26</a>

%e Some solutions for n=1:

%e 3 2 4 6 3 6 3 4 5 6 3 6 4 3 4 5 6 3 4 3 5

%e 2 0 1 4 2 4 2 0 2 4 2 4 3 1 0 2 4 0 2 0 3

%Y Column 6 of A234898.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 01 2014