OFFSET
1,2
COMMENTS
Average length of the 3rd increasing run in a random permutation of n integers as n->Infinity.
LINKS
Eric Weisstein's World of Mathematics, Permutation
EXAMPLE
(3*e)/2 - 3*e^2 + e^3 = 1.99579136...
MATHEMATICA
RealDigits[(3E)/2-3 E^2+E^3, 10, 120][[1]] (* Harvey P. Dale, Apr 06 2013 *)
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Dec 19 2003
STATUS
approved