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A166772 Number of nX6 1..3 arrays containing at least one of each value, and all equal values connected. 0

%I #3 Mar 31 2012 12:35:36

%S 60,3780,108456,2247456,38813010

%N Number of nX6 1..3 arrays containing at least one of each value, and all equal values connected.

%e Some solutions for n=3

%e ...3.3.1.2.2.2...1.1.1.1.1.1...2.3.3.3.1.1...2.2.3.3.3.3...1.1.1.1.1.3

%e ...3.1.1.1.1.1...1.1.1.3.1.1...2.2.2.3.1.1...1.1.1.3.3.3...2.1.1.1.3.3

%e ...3.3.3.3.1.1...1.2.2.2.2.1...2.2.2.1.1.1...1.3.3.3.3.3...2.2.2.1.3.3

%e ------

%e ...3.3.3.3.2.2...1.2.2.2.2.3...1.1.1.1.3.3...3.3.3.1.1.1...1.2.2.2.2.2

%e ...3.3.1.3.2.2...1.1.2.3.3.3...2.1.2.1.3.2...3.2.3.1.2.1...2.2.2.3.3.2

%e ...3.1.1.3.3.2...2.2.2.2.2.2...2.2.2.2.2.2...3.2.2.2.2.2...2.2.2.3.3.3

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 21 2009

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