%I #3 Mar 31 2012 12:35:36
%S 0,105,2720,24929,141248,600051,2097517,6359213
%N Number of nX3 1..5 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in increasing order.
%e Some solutions for n=3
%e ...1.2.3...1.4.4...1.3.4...1.3.4...2.4.4...1.1.3...2.3.3...1.1.2...1.3.4
%e ...2.2.3...2.2.4...1.5.4...2.2.5...2.4.5...2.4.3...4.1.5...1.3.5...1.5.2
%e ...4.5.3...5.3.4...2.5.4...2.2.5...3.3.1...5.5.3...4.4.4...4.5.5...1.5.5
%e ------
%e ...1.2.2...2.4.4...1.1.3...2.4.5...1.1.4...2.3.5...1.1.5...2.2.3...1.2.4
%e ...4.3.3...5.1.3...1.1.3...2.5.5...2.2.5...4.3.1...1.2.2...2.4.4...1.5.4
%e ...4.4.5...5.1.3...2.5.4...3.1.1...3.5.5...4.3.1...4.3.2...5.4.1...3.5.4
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 21 2009