login
A238920
Number of self-inverse permutations p on [n] where the maximal displacement of an element equals 9.
2
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
KEYWORD
nonn
AUTHOR
Joerg Arndt and Alois P. Heinz, Mar 07 2014
STATUS
approved