A323802 Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 6.

0, 1320, 13656, 96090, 569602, 3111243, 16447329, 87358763, 475067757, 2607565996, 14310288148, 78087401424, 422646322560, 2269565277936, 12114270563852, 64454693890844, 342374934748155, 1817028234672099, 9636622425425550, 51069856507725138, 270408018010461065

Offset: 6

Author

Alois P. Heinz, Jan 28 2019

Keywords

• nonn
• easy

Links

• Alois P. Heinz, Table of n, a(n) for n = 6..1000

Crossrefs

Column k=6 of A130152.

Cf. A154654, A154655.

Formula

a(n) = A154655(n) - A154654(n).