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Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6
1

%I #4 Dec 14 2013 07:45:28

%S 34996,2172148,130732438,8271515976,523893377896,33375589770090,

%T 2127910272105792,135782900234876140,8666180972292385810,

%U 553192151462472516724,35313982971072808976064,2254400942972434339537462

%N Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6

%C Column 4 of A233635

%H R. H. Hardin, <a href="/A233631/b233631.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..3..3..3..0..2....1..0..3..0..3....3..2..0..0..2....0..0..0..3..2

%e ..1..0..3..3..3....3..1..1..0..2....1..3..3..0..3....1..3..1..3..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2013