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%I
%S 18,330,2340,11261,42611,136460,385764,988439
%N Number of nX4 1..3 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 ...2.2.2.2...2.2.1.1...1.1.2.2...2.1.3.3...2.2.2.2...2.1.1.1...2.2.2.2
%e ...2.2.2.2...2.3.1.1...1.1.2.2...2.3.3.3...3.3.2.1...2.1.2.1...2.3.1.1
%e ...3.3.2.1...2.3.3.1...3.1.1.1...3.3.3.3...3.3.2.1...2.2.2.3...3.3.3.3
%e ------
%e ...1.1.1.1...2.1.3.3...1.1.1.1...1.1.1.3...1.1.1.1...2.2.2.2...2.2.1.2
%e ...1.2.1.3...3.3.3.3...1.1.1.3...2.1.1.3...3.2.1.1...3.2.1.1...2.2.2.2
%e ...1.2.3.3...3.3.3.3...1.2.2.2...2.3.3.3...3.3.3.1...3.2.2.1...2.3.2.2
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 21 2009
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