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A228673 Number of permutations of [n] having a shortest ascending run of length 6. 2
1, 0, 0, 0, 0, 0, 923, 3430, 6004, 10008, 16014, 24750, 17153135, 139520497, 747544744, 2907714483, 9788905840, 30236892651, 2389382438831, 33146052783575, 291048293120402, 2033077226586965, 11881137473504364, 61473838487159979, 1656802388288612691 (list; graph; refs; listen; history; text; internal format)
OFFSET

6,7

LINKS

Alois P. Heinz, Table of n, a(n) for n = 6..100

CROSSREFS

Column k=6 of A064315.

Sequence in context: A235881 A051984 A232732 * A268849 A177810 A119396

Adjacent sequences:  A228670 A228671 A228672 * A228674 A228675 A228676

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 29 2013

STATUS

approved

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Last modified August 4 05:02 EDT 2021. Contains 346442 sequences. (Running on oeis4.)