A321053 - OEIS

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A321053

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

0, 3973, 46662, 359724, 2270840, 12994207, 71401928, 389384029, 2162806868, 12393816965, 72063175820, 420431229772, 2443816138204, 14098735154983, 80635213447724, 457661900843292, 2583741730021382, 14552232847553984, 81904772313605164, 461011600699499344

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OFFSET

7,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..1000

FORMULA

a(n) = A259780(n) - A259779(n).

CROSSREFS

Column k=7 of A259784.

Cf. A259779, A259780.

Sequence in context: A204494 A184492 A204493 * A233648 A186799 A203190

Adjacent sequences: A321050 A321051 A321052 * A321054 A321055 A321056

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Oct 26 2018

STATUS

approved