A234174 - OEIS

A234174

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

%I #6 Jun 19 2022 01:54:09

%S 5630848,354809676,25133134704,1898311922200,148522072535416,

%T 11873684734291952,960955500498528728,78414010788653239964,

%U 6426902198019733695464,528592241082676662032908

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

%H R. H. Hardin, <a href="/A234174/b234174.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=1:

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

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

%Y Column 5 of A234175.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 20 2013