A234427 - OEIS

%I #4 Dec 25 2013 18:21:59

%S 453728,37628800,2539059832,246163893400,23699592729240,

%T 2541252995824388,274279786722927952,30509434550485099928,

%U 3400106613169003997008,382475460709509500849860,43015136805905088118451312

%N Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal

%C Column 4 of A234428

%H R. H. Hardin, <a href="/A234427/b234427.txt">Table of n, a(n) for n = 1..35</a>

%e Some solutions for n=1

%e ..0..6..0..6..0....4..1..7..6..7....4..1..2..3..5....2..4..2..7..5

%e ..4..7..4..7..6....2..6..5..0..3....2..6..0..7..2....0..7..0..5..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013