%I #5 Mar 31 2012 12:36:29
%S 1,18,156,1221,10649,89527,750414,6315333,53202193,448046100,
%T 3771630940,31755317844,267372295449,2251142411047,18953791712561,
%U 159583558349010,1343626155668202,11312793102525882,95249224912654237,801960149525766205
%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,1,2 for x=0,1,2,3,4
%C Every 0 is next to 0 4's, every 1 is next to 1 3's, every 2 is next to 2 2's, every 3 is next to 3 1's, every 4 is next to 4 2's
%C Column 5 of A197242
%H R. H. Hardin, <a href="/A197239/b197239.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions containing all values 0 to 4 for n=4
%e ..0..0..1..3..1....0..0..0..0..0....0..1..0..0..0....2..2..2..0..1
%e ..2..2..2..1..1....2..2..2..1..0....1..3..2..2..2....2..4..2..1..3
%e ..2..4..2..1..3....2..4..2..3..1....0..1..2..4..2....2..2..2..0..1
%e ..2..2..2..0..1....2..2..2..1..0....0..0..2..2..2....0..0..0..0..0
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 12 2011
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