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A166768 Number of nX4 1..4 arrays containing at least one of each value, and all equal values connected. 0

%I

%S 24,3672,103800,1505784,15094248,120002640

%N Number of nX4 1..4 arrays containing at least one of each value, and all equal values connected.

%e Some solutions for n=3

%e ...1.1.1.1...2.4.4.1...2.2.2.3...4.1.2.2...1.1.2.4...1.4.4.3...4.1.1.1

%e ...3.2.3.4...2.4.4.3...1.1.1.1...4.3.3.2...3.3.2.4...1.1.4.4...4.1.2.3

%e ...3.3.3.3...3.3.3.3...4.1.1.1...2.2.2.2...3.3.3.4...2.2.2.2...2.2.2.2

%e ------

%e ...3.3.3.1...2.2.1.4...2.2.4.4...3.3.3.2...3.4.1.4...2.1.3.2...4.3.3.3

%e ...3.2.3.1...2.1.1.3...3.3.3.3...1.4.3.3...4.4.4.4...2.1.4.2...2.1.3.3

%e ...2.2.2.4...2.3.3.3...3.1.1.1...1.3.3.3...4.4.2.2...2.2.2.2...1.1.1.1

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 21 2009

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