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A207530 Number of nX3 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column 1

%I #5 Mar 31 2012 12:37:18

%S 58,3364,147006,6758694,308746116,14111752738,644774919410,

%T 29462512318554,1346264674676774,61516602865340590,

%U 2810953601086492756,128444358844906649114,5869165947931208621620,268187017757307027598816

%N Number of nX3 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column

%C Column 3 of A207535

%H R. H. Hardin, <a href="/A207530/b207530.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 18 2012

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Last modified May 6 18:59 EDT 2024. Contains 372297 sequences. (Running on oeis4.)