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A207227 Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal 1

%I

%S 1121,1256641,312522517,125372637881,47644493869633,17182219699443153,

%T 6152504033864688529,2210806175420208130713,798188687605046033604289,

%U 288544627150883247074217513,104252111969644072548865787265

%N Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal

%C Column 7 of A207228

%H R. H. Hardin, <a href="/A207227/b207227.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012

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Last modified September 24 14:46 EDT 2020. Contains 337321 sequences. (Running on oeis4.)