A238920 Number of self-inverse permutations p on [n] where the maximal displacement of an element equals 9.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 764, 5008, 23980, 98846, 375950, 1353992, 4719178, 16089515, 54175927, 182019983, 614507621, 2078949960, 7035318948, 23778288812, 80187314884, 269618757792, 903570999504, 3017802963584, 10047020559840, 33357290774560

Offset

0,11

Links

Joerg Arndt and Alois P. Heinz, Table of n, a(n) for n = 0..750

Crossrefs

Column k=9 of A238889.

Sequence in context: A049534 A245007 A204356 * A054468 A156395 A188402

Adjacent sequences: A238917 A238918 A238919 * A238921 A238922 A238923

Keyword

nonn

Author

Joerg Arndt and Alois P. Heinz, Mar 07 2014

Status

approved