A179562 Number of permutations of 1..n with the number moved left exceeding the number moved right by 1.

0, 0, 1, 4, 31, 146, 1289, 7736, 85831, 641302, 8732989, 78432212, 1270475155, 13338831858, 250740220345, 3013809363056, 64512904742895, 873589792390382, 20982459271174517, 316070362138732172, 8418423492219771211, 139628838506569935338, 4084524856346911809777

Offset: 1

Author

R. H. Hardin, Jul 19 2010

Keywords

• nonn

Crossrefs

Column k=1 (or k=-1) of A062866.

Equal number moved left and right, see A062868.

Extensions

a(19)-a(20) from Alois P. Heinz, Jul 31 2018

a(21)-a(23) from Alois P. Heinz, Apr 28 2024