%I #6 Mar 10 2014 13:17:48
%S 1,1,2,4,10,26,76,232,764,2388,7280,21574,63162,183286,531576,1545583,
%T 4523049,13283748,39091824,115105436,338866164,996931680,2930722336,
%U 8610252768,25290067376,74279609504,218185834860,640968565724,1883199406468,5533359251576
%N Number of self-inverse permutations p on [n] with displacement of elements restricted by 7: |p(i)-i| <= 7.
%H Joerg Arndt and Alois P. Heinz, <a href="/A239079/b239079.txt">Table of n, a(n) for n = 0..1000</a>
%Y Column k=7 of A238888.
%Y Cf. A000085.
%K nonn
%O 0,3
%A _Joerg Arndt_ and _Alois P. Heinz_, Mar 10 2014