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A324638 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)]]; 2
1, 1, 1, 18, 215, 5320, 173111, 8041166, 483906047, 37296199680, 3556982106479, 412503302058958 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Cf. A324563, A324564.

Sequence in context: A125430 A021764 A059357 * A009470 A111991 A081136

Adjacent sequences:  A324635 A324636 A324637 * A324639 A324640 A324641

KEYWORD

nonn,more

AUTHOR

Alois P. Heinz, Mar 09 2019

STATUS

approved

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Last modified February 19 10:03 EST 2020. Contains 332041 sequences. (Running on oeis4.)