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%I #3 Mar 31 2012 12:35:45
%S 0,6,60,500,3640,25410,172620,1164492,7850304,53178972,362810448,
%T 2495592528,17313238800,121098656250
%N Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 2 maxima
%K nonn
%O 3,2
%A _R. H. Hardin_ Jul 25 2010
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