A321052 Number of permutations of [n] with no fixed points where the maximal displacement of an element equals six.

0, 574, 5571, 34948, 181193, 870934, 4113244, 19845700, 99472963, 505871096, 2572439079, 12975021278, 64715221044, 319501249574, 1566516774344, 7660714576044, 37445731303872, 183081927465284, 895275467752721, 4376669424005308, 21379883128454905

Offset

6,2

Links

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

Formula

a(n) = A259779(n) - A259778(n).

Crossrefs

Column k=6 of A259784.

Cf. A259778, A259779.

Sequence in context: A092291 A158371 A066154 * A369625 A291133 A027456

Adjacent sequences: A321049 A321050 A321051 * A321053 A321054 A321055

Keyword

nonn,easy

Author

Alois P. Heinz, Oct 26 2018

Status

approved