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Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero
1

%I #4 Oct 31 2013 05:41:11

%S 0,1202,416540,114297392,32002769030,8988055879558,2523446670940914,

%T 708459022763836116,198901117848473060708,55841840462842587781160,

%U 15677694884127715411249314,4401540406199990421316111034

%N Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero

%C Column 5 of A230840

%H R. H. Hardin, <a href="/A230838/b230838.txt">Table of n, a(n) for n = 1..178</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 31 2013