A321051 Number of permutations of [n] with no fixed points where the maximal displacement of an element equals five.

0, 97, 744, 3628, 15038, 59963, 245386, 1054116, 4585666, 19816317, 84377528, 354143757, 1472404694, 6105113905, 25314316974, 105009933736, 435538239600, 1804712603943, 7467462109856, 30859243303779, 127410491972804, 525761755401512, 2168906840165128

Offset

5,2

Links

Alois P. Heinz, Table of n, a(n) for n = 5..1000

Formula

a(n) = A259778(n) - A259777(n).

Crossrefs

Column k=5 of A259784.

Cf. A259777, A259778.

Sequence in context: A096326 A216380 A133535 * A045715 A113891 A090157

Adjacent sequences: A321048 A321049 A321050 * A321052 A321053 A321054

Keyword

nonn,easy

Author

Alois P. Heinz, Oct 26 2018

Status

approved