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

Author

Joerg Arndt and Alois P. Heinz, Mar 07 2014

Keywords

• nonn

Links

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

Crossrefs

Column k=9 of A238889.