%I #3 Mar 31 2012 12:35:18
%S 0,184,41450,2698344,101727276,2846840080,66502921806,1382518990400
%N Number of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly 5 adjacent element pairs in decreasing order.
%K nonn
%O 3,2
%A _R. H. Hardin_ May 21 2009
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