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A324622 Number of permutations p of [2+n] such that n is the maximum of the number of elements in any integer interval [p(i)..i+(2+n)*[i<p(i)]]. 3
0, 1, 1, 11, 60, 435, 3473, 31315, 313227, 3445641, 41341502, 537313583, 7520316423, 112771887719, 1803821926465, 30656189582521, 551659191788556, 10478765887885181, 209522984620760153, 4398943767896801309, 96755196700729056267, 2224901906327124750355 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..448

FORMULA

a(n) = A000179(n+2) - A000183(n+2).

CROSSREFS

Row n=2 of A324563 and column of A324564 (as array).

Cf. A000179, A000183.

Sequence in context: A066999 A224291 A055826 * A156704 A248874 A073625

Adjacent sequences:  A324619 A324620 A324621 * A324623 A324624 A324625

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 09 2019

STATUS

approved

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Last modified December 11 12:33 EST 2019. Contains 329916 sequences. (Running on oeis4.)