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A166784 Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. 0

%I

%S 0,420,10540,93645,523316,2216887,7776832,23747742

%N Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.

%e Some solutions for n=3

%e ...1.3.2...1.1.5...3.2.2...3.2.1...1.2.3...5.2.1...1.1.1...1.1.2...2.2.2

%e ...5.2.2...2.4.5...4.2.1...3.5.1...2.2.2...5.2.3...4.2.1...4.2.2...4.3.3

%e ...5.4.2...4.4.3...5.5.1...4.5.5...4.5.2...5.4.3...5.3.1...5.3.3...5.1.1

%e ------

%e ...3.2.1...1.3.4...4.1.2...3.2.1...3.2.1...1.5.4...4.2.2...2.2.5...1.1.3

%e ...4.5.1...3.3.3...5.3.5...4.1.1...3.4.1...2.5.3...4.3.1...2.4.3...1.4.4

%e ...5.5.5...5.3.2...5.5.5...4.5.5...5.5.1...5.5.3...4.3.5...4.4.1...5.4.2

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 21 2009

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