%I #3 Mar 31 2012 12:35:36
%S 24,1848,26152,204257,1146094,5161406
%N Number of nX4 1..4 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 ...1.1.3.2...3.2.2.1...3.2.1.4...2.2.2.2...3.2.2.2...3.3.3.1...1.3.3.2
%e ...1.4.2.2...3.2.4.4...3.3.1.4...3.4.2.2...3.3.3.3...3.4.2.1...1.3.4.4
%e ...1.4.4.2...3.3.4.4...3.4.4.4...4.4.1.2...4.4.4.1...3.4.4.4...3.3.3.4
%e ------
%e ...2.2.2.2...1.1.2.2...2.4.4.1...2.2.3.3...2.2.1.1...1.2.2.4...1.1.2.4
%e ...3.1.1.2...1.1.4.2...3.4.4.1...2.3.3.3...2.4.1.1...1.2.2.4...1.1.4.4
%e ...4.4.1.2...1.3.4.2...3.4.4.1...2.4.3.1...4.4.1.3...1.2.3.4...3.1.1.4
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 21 2009