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%I A184231 #5 Mar 31 2012 12:35:58
%S A184231 15,57,57,180,411,180,621,2318,2318,621,2061,14641,20958,14641,2061,
%T A184231 6966,88103,224156,224156,88103,6966,23355,541936,2227254,4207437,
%U A184231 2227254,541936,23355,78597,3302001,22904858,72246797,72246797,22904858,3302001
%N A184231 T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3
%C A184231 Table starts
%C A184231 .....15........57..........180.............621..............2061
%C A184231 .....57.......411.........2318...........14641.............88103
%C A184231 ....180......2318........20958..........224156...........2227254
%C A184231 ....621.....14641.......224156.........4207437..........72246797
%C A184231 ...2061.....88103......2227254........72246797........2100723171
%C A184231 ...6966....541936.....22904858......1292899174.......64280495958
%C A184231 ..23355...3302001....231988508.....22718557269.....1922921988456
%C A184231 ..78597..20204829...2366228756....402560143085....58125919236791
%C A184231 .264060.123402988..24059229300...7106563915316..1748844715494641
%C A184231 .887841.754319381.244980260166.125668351802785.52730125376777241
%H A184231 R. H. Hardin, <a href="/A184231/b184231.txt">Table of n, a(n) for n = 1..264</a>
%e A184231 Some solutions for 4X3
%e A184231 ..1..2..1....2..0..2....1..0..3....3..1..3....3..1..3....0..3..1....1..3..1
%e A184231 ..3..0..3....0..2..0....0..3..1....0..3..1....0..3..1....2..0..2....2..0..2
%e A184231 ..0..3..2....3..0..3....2..0..3....3..0..2....1..0..3....1..3..1....0..3..0
%e A184231 ..3..0..3....1..2..0....1..3..2....2..3..0....0..3..0....2..0..3....2..0..1
%K A184231 nonn,tabl
%O A184231 1,1
%A A184231 _R. H. Hardin_ Jan 10 2011

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