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%I #6 Jul 31 2018 13:45:42
%S 0,0,1,4,31,146,1289,7736,85831,641302,8732989,78432212,1270475155,
%T 13338831858,250740220345,3013809363056,64512904742895,
%U 873589792390382,20982459271174517,316070362138732172
%N Number of permutations of 1..n with the number moved left exceeding the number moved right by 1.
%Y Column k=1 (or k=-1) of A062866.
%Y Equal number moved left and right, see A062868.
%K nonn
%O 1,4
%A _R. H. Hardin_, Jul 19 2010
%E a(19)-a(20) from _Alois P. Heinz_, Jul 31 2018
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