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%I #6 Mar 13 2019 16:06:43
%S 1,1,1,18,215,5320,173111,8041166,483906047,37296199680,3556982106479,
%T 412503302058958
%N Number of permutations p of [2n] such that n is the maximum of 0 and the number of elements in any integer interval [p(i)..i+2n*[i<p(i)]];
%Y Cf. A324563, A324564.
%K nonn,more
%O 0,4
%A _Alois P. Heinz_, Mar 09 2019
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