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%I #6 Mar 04 2013 07:07:05
%S 1,0,0,0,6,0,6,32,20,0,20,657,2438,685,0,20,7546,126947,125094,5370,0,
%T 70,124363,6363724,27397461,6821264,123410,0,685,1710608,390671426,
%U 5989744766,6178897165,413021606,1341616,0,2808,26389570,20825891902
%N T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
%C Table starts
%C .1...........0................0....................6.....................20
%C .0...........6...............32..................657...................7546
%C .0..........20.............2438...............126947................6363724
%C .0.........685...........125094.............27397461.............5989744766
%C .0........5370..........6821264...........6178897165..........4906560167364
%C .0......123410........413021606........1424636571214.......4777709698876890
%C .0.....1341616......24065512554......332960192034230....4001484076145095954
%C .0....25106526....1471765337998....78562540663580982.4007703500495273447052
%C .0...321557310...87152464030990.18671065206165526715
%C .0..5447475968.5404644628233066
%C .0.76079350800
%C .0
%H R. H. Hardin, <a href="/A222747/b222747.txt">Table of n, a(n) for n = 1..82</a>
%e Some solutions for n=3 k=4
%e ..0..1..1..2....0..1..2..3....0..1..1..1....0..1..1..2....0..1..0..2
%e ..2..1..1..3....1..0..1..2....2..1..2..1....0..0..1..1....2..2..2..0
%e ..2..2..1..2....2..1..2..1....3..2..0..1....1..0..3..1....0..0..3..2
%Y Row 1 is A222604
%K nonn,tabl
%O 1,5
%A _R. H. Hardin_ Mar 04 2013
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