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A324638
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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)]];
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2
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1, 1, 1, 18, 215, 5320, 173111, 8041166, 483906047, 37296199680, 3556982106479, 412503302058958
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OFFSET
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0,4
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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