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A323803
Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 7.
2
0, 9360, 115080, 966456, 6791994, 43414690, 264609407, 1583571277, 9541763303, 58695274369, 364677611732, 2271214783228, 14108312731920, 87159560106240, 534932437294080, 3263015911353024, 19810718453429904, 119955619407015668, 725303963303861844
OFFSET
7,2
LINKS
FORMULA
a(n) = A154656(n) - A154655(n).
CROSSREFS
Column k=7 of A130152.
Sequence in context: A292283 A265457 A330902 * A246736 A289858 A259001
KEYWORD
nonn,easy
AUTHOR
Alois P. Heinz, Jan 28 2019
STATUS
approved