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Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4
1

%I #5 Mar 31 2012 12:36:30

%S 1,595,49381,2579814,132750533,8248011722,520354155777,31036479268872,

%T 1833924613834652,110108685283374089,6627651690554026076,

%U 397036343653590941942,23779305335775072682285,1426718261217475342798545

%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,2,0,2 for x=0,1,2,3,4

%C Every 0 is next to 0 4's, every 1 is next to 1 2's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 2's

%C Column 7 of A197648

%H R. H. Hardin, <a href="/A197647/b197647.txt">Table of n, a(n) for n = 1..109</a>

%e Some solutions containing all values 0 to 4 for n=4

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

%e ..0..3..0..0..2..4..2....0..3..0..1..2..4..2....0..0..3..0..2..4..2

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 16 2011