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A203539 Number of nX5 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1 1

%I #5 Mar 31 2012 12:36:57

%S 0,64,1840,30976,1700580,46485124,1680210240,56191754304,

%T 1898704490980,64488576908484,2178774976790208,73775014607038096,

%U 2496772163852959252,84495658280798176036,2859840508384744419504,96787655134946736339600

%N Number of nX5 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1

%C Column 5 of A203542

%H R. H. Hardin, <a href="/A203539/b203539.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 02 2012

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)