A235024 - OEIS

A235024

Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%I #6 Jun 19 2022 23:54:08

%S 66848,203768,617600,1912444,5939792,18670696,58903452,187635828,

%T 599716544,1933347092,6250894188,20369947440,66547928408,218994521968,

%U 722244543524,2398068665620,7977618344764,26705978410720,89553589353604

%N Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

%H R. H. Hardin, <a href="/A235024/b235024.txt">Table of n, a(n) for n = 1..72</a>

%e Some solutions for n=1:

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

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

%Y Column 6 of A235026.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 02 2014