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%I #3 Mar 31 2012 12:35:46
%S 0,0,0,0,0,0,19,1784,55092,952640,11346508,103655440,774656344,
%T 4940080352,27682462431
%N Number of permutations of 1..n with both permutation and its inverse having exactly 4 maxima
%K nonn
%O 1,7
%A _R. H. Hardin_ Sep 01 2010
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