A179565 Number of permutations of [n] with the number moved left exceeding the number moved right by 4.

0, 0, 0, 0, 0, 1, 7, 267, 2235, 53830, 511412, 11370998, 122063526, 2787148807, 33618432005, 817366315013, 10992904020133, 288039183533356, 4284317049630762, 121306011298119784, 1980129988160763368, 60512049675634245013, 1076468156084116242851

Offset: 1

Author

R. H. Hardin, Jul 19 2010

Keywords

• nonn

Crossrefs

Column k=4 (or k=-4) 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