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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
OFFSET
8,9
LINKS
CROSSREFS
Column k=8 of A064315.
Sequence in context: A218457 A251053 A231457 * A268851 A024752 A024760
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 29 2013
STATUS
approved