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A321053 Number of permutations of [n] with no fixed points where the maximal displacement of an element equals seven. 2

%I #6 Oct 26 2018 20:10:58

%S 0,3973,46662,359724,2270840,12994207,71401928,389384029,2162806868,

%T 12393816965,72063175820,420431229772,2443816138204,14098735154983,

%U 80635213447724,457661900843292,2583741730021382,14552232847553984,81904772313605164,461011600699499344

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

%H Alois P. Heinz, <a href="/A321053/b321053.txt">Table of n, a(n) for n = 7..1000</a>

%F a(n) = A259780(n) - A259779(n).

%Y Column k=7 of A259784.

%Y Cf. A259779, A259780.

%K nonn

%O 7,2

%A _Alois P. Heinz_, Oct 26 2018

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Last modified July 17 21:15 EDT 2024. Contains 374377 sequences. (Running on oeis4.)