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A207012 Number of nX5 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column 1

%I #5 Mar 31 2012 12:37:14

%S 161,25921,2113177,201211481,18649387825,1728683700481,

%T 159875651653873,14795926235823289,1369847551748709409,

%U 126829825504268255401,11741934236951875788449,1087038686482232263036985

%N Number of nX5 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column

%C Column 5 of A207015

%H R. H. Hardin, <a href="/A207012/b207012.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 14 2012

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)