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A228675 Number of permutations of [n] having a shortest ascending run of length 8. 2
1, 0, 0, 0, 0, 0, 0, 0, 12869, 48618, 87514, 151162, 251938, 406978, 639538, 980626, 9465511769, 78873015651, 432930149084, 1733817767377, 6029279272390, 19272571329943, 58176504195256, 168427982998609, 100010235685036911, 1461261128736451029 (list; graph; refs; listen; history; text; internal format)
OFFSET

8,9

LINKS

Alois P. Heinz, Table of n, a(n) for n = 8..100

CROSSREFS

Column k=8 of A064315.

Sequence in context: A218457 A251053 A231457 * A268851 A024752 A024760

Adjacent sequences:  A228672 A228673 A228674 * A228676 A228677 A228678

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 29 2013

STATUS

approved

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Last modified August 3 15:54 EDT 2021. Contains 346439 sequences. (Running on oeis4.)