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A054677 Denominator of expected length of longest increasing subsequence of a permutation of length n. 2
1, 2, 1, 12, 24, 720, 144, 2016, 40320, 725760, 3628800, 47900160, 239500800, 276756480, 17435658240, 871782912000, 4184557977600, 711374856192000, 43553562624000, 57926238289920000, 3649353012264960000, 324386934423552000, 1124000727777607680000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
A. M. Odlyzko and E. M. Rains, On longest increasing subsequences in random permutations, pp. 439-451 in Analysis, Geometry, Number Theory: The Mathematics of Leon Ehrenpreis, E. L. Grinberg, S. Berhanu, M. Knopp, G. Mendoza and E. T. Quinto, eds., Amer. Math. Soc., Contemporary Math. #251, 2000.
CROSSREFS
Sequence in context: A110060 A061081 A007368 * A290533 A012929 A013161
KEYWORD
nonn,frac,nice,easy
AUTHOR
Eric M. Rains (rains(AT)caltech.edu), Apr 19 2000
EXTENSIONS
More terms from Alois P. Heinz, Feb 14 2016
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)