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%I A014982
%S A014982 1,1,2,12,272,21666
%N A014982 Number of "coherent" reduced decompositions for the longest permutation 
               n n-1 n-2 ... 3 2 1 in the symmetric group on n letters.
%D A014982 For definition of "coherent", see L J. Billera and B. Sturmfels, Iterated 
               fiber polytopes, Mathematika, 41 (1994), no. 2, 348-363.
%Y A014982 Sequence in context: A012546 A091504 A098137 this_sequence A012444 A012754 
               A083568
%Y A014982 Adjacent sequences: A014979 A014980 A014981 this_sequence A014983 A014984 
               A014985
%K A014982 nonn
%O A014982 1,3
%A A014982 Victor Reiner (reiner(AT)math.umn.edu)

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