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%I #5 Mar 31 2012 12:37:33
%S 73,597,597,4881,13399,4881,39909,300653,300653,39909,326313,6747079,
%T 18515113,6747079,326313,2668077,151416037,1140445889,1140445889,
%U 151416037,2668077,21815361,3398046223,70247824293,192819707871
%N T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences
%C Table starts
%C ........73...........597..............4881.................39909
%C .......597.........13399............300653...............6747079
%C ......4881........300653..........18515113............1140445889
%C .....39909.......6747079........1140445889..........192819707871
%C ....326313.....151416037.......70247824293........32601836961677
%C ...2668077....3398046223.....4327063104645......5512336193872815
%C ..21815361...76258263901...266534819947777....932029892451556289
%C .178371909.1711372650743.16417791900623325.157588340458153024619
%H R. H. Hardin, <a href="/A210390/b210390.txt">Table of n, a(n) for n = 1..312</a>
%e Some solutions for n=4 k=3
%e ..2..0..1..2....1..0..2..0....0..1..0..2....0..1..2..0....0..0..2..0
%e ..0..2..1..0....1..0..0..0....2..2..0..1....1..2..2..0....0..2..2..2
%e ..2..2..2..1....2..1..0..0....2..0..2..1....0..1..1..0....1..1..0..2
%e ..2..2..1..2....2..0..0..0....2..1..1..1....0..1..2..1....2..0..1..1
%e ..0..2..2..2....2..0..0..1....1..2..2..2....2..2..1..0....1..0..0..2
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_ Mar 20 2012