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Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order
1

%I #4 Feb 26 2013 08:30:07

%S 5,40,181,5746,60550,2921905,43650470,2748085305,44499006072,

%T 2935039880037,48422176002273,3217634669353437,53258617891960804,

%U 3541270168065327366,58695105162011373774,3902182230284175940378

%N Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order

%C Column 5 of A222616

%H R. H. Hardin, <a href="/A222613/b222613.txt">Table of n, a(n) for n = 1..44</a>

%e Some solutions for n=3

%e ..0..0..1..1..1....0..0..1..1..1....0..1..1..1..1....0..0..0..0..0

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 26 2013