|
%I #8 Jun 20 2022 21:31:07
%S 31944,229228,1843956,19087908,208674708,2489486392,30119101476,
%T 376753198536,4734900474112,60585326899188,778145896663160,
%U 10118849072747616,132122488737660308,1741401808205233096
%N Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%H R. H. Hardin, <a href="/A234995/b234995.txt">Table of n, a(n) for n = 1..139</a>
%e Some solutions for n=1:
%e 4 0 3 0 1 5 4 6 0 1 4 2 4 2 3 0 3 2 6 4
%e 3 1 6 1 0 0 1 5 1 0 5 1 5 1 0 1 2 3 5 1
%Y Column 4 of A234998.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 02 2014
| 