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A207226 Number of nX6 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 #5 Mar 31 2012 12:37:16

%S 425,180625,21553541,3814387801,648206318305,105855104360481,

%T 17182219699443153,2796398012458324953,456641535527116726913,

%U 74625179886401434526953,12190343017464128551053825

%N Number of nX6 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 6 of A207228

%H R. H. Hardin, <a href="/A207226/b207226.txt">Table of n, a(n) for n = 1..105</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012

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Last modified September 28 17:13 EDT 2023. Contains 365736 sequences. (Running on oeis4.)