A166825 - OEIS

%I #5 Apr 20 2020 21:06:13

%S 0,2,92,1202,9096,50175

%N Number of n X 5 1..3 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=4

%e ...1.1.2.2.3...1.1.1.1.2...1.1.1.1.1...1.1.2.3.3...1.2.3.3.3...1.2.2.2.3

%e ...1.3.2.2.3...1.1.2.2.2...1.1.1.1.3...1.2.2.2.3...2.2.2.3.3...2.2.3.3.3

%e ...1.3.2.3.3...1.2.2.2.2...1.1.2.3.3...1.3.2.3.3...3.3.2.2.3...3.2.2.3.3

%e ...3.3.3.3.3...2.2.2.3.3...1.2.2.3.3...3.3.3.3.3...3.3.3.3.3...3.3.3.3.3

%e ------

%e ...1.1.1.1.3...1.1.1.1.2...1.1.3.3.3...1.1.1.1.1...1.1.1.1.1...1.1.1.1.3

%e ...1.1.1.3.3...1.1.1.2.2...1.2.2.2.3...1.1.1.3.3...1.1.1.1.1...1.1.1.1.3

%e ...1.1.2.2.3...1.1.3.2.2...1.2.2.3.3...1.1.2.2.3...1.1.2.2.3...1.1.2.3.3

%e ...1.2.2.2.3...1.2.2.2.2...2.2.2.2.3...1.2.2.3.3...1.2.2.3.3...1.3.3.3.3

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 21 2009