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A234426 Number of (n+1)X(3+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 1

%I

%S 44140,1729584,58371648,2539059832,109799236808,5083291722008,

%T 236294724920980,11176229160264112,529624940908800036,

%U 25211888542439700684,1200961586401353215600,57277189321626973437428

%N Number of (n+1)X(3+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 3 of A234428

%H R. H. Hardin, <a href="/A234426/b234426.txt">Table of n, a(n) for n = 1..163</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013

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Last modified August 3 08:10 EDT 2020. Contains 336197 sequences. (Running on oeis4.)