%I #3 Mar 31 2012 12:35:18
%S 0,15048,53145540,33478094610,9810742830462,1894605563973312
%N Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 7 adjacent element pairs in decreasing order.
%K nonn
%O 3,2
%A _R. H. Hardin_ May 21 2009