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Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal
1

%I #4 Feb 06 2014 06:43:02

%S 120808,17627820,2137181038,300627324700,41627000140944,

%T 5948570417327342,853258883465178716,123366442531682683412,

%U 17883818961748533773410,2598541529967055129095912,377982143702173985133488408

%N Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal

%C Column 4 of A237340

%H R. H. Hardin, <a href="/A237336/b237336.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 06 2014