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Number of permutations of [n] with no fixed points where the maximal displacement of an element equals six.
2

%I #7 Oct 26 2018 20:01:14

%S 0,574,5571,34948,181193,870934,4113244,19845700,99472963,505871096,

%T 2572439079,12975021278,64715221044,319501249574,1566516774344,

%U 7660714576044,37445731303872,183081927465284,895275467752721,4376669424005308,21379883128454905

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

%H Alois P. Heinz, <a href="/A321052/b321052.txt">Table of n, a(n) for n = 6..1000</a>

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

%Y Column k=6 of A259784.

%Y Cf. A259778, A259779.

%K nonn,easy

%O 6,2

%A _Alois P. Heinz_, Oct 26 2018