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A186531 Number of (n+1)X5 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 1

%I #5 Mar 31 2012 12:36:05

%S 28522,2004390,150041994,11180777496,819481009820,60763226187367,

%T 4470558553054728,330651060182605074,24366494030348841656,

%U 1800209299030291069455,132764213014156819442034

%N Number of (n+1)X5 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant

%C Column 4 of A186536

%H R. H. Hardin, <a href="/A186531/b186531.txt">Table of n, a(n) for n = 1..180</a>

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 23 2011

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Last modified April 20 17:12 EDT 2024. Contains 371845 sequences. (Running on oeis4.)