A091133 Decimal expansion of (3*e)/2 - 3*e^2 + e^3.

1, 9, 9, 5, 7, 9, 1, 3, 6, 9, 0, 8, 4, 2, 8, 4, 9, 1, 2, 2, 7, 7, 6, 7, 8, 4, 7, 9, 8, 8, 5, 6, 8, 8, 2, 0, 4, 0, 8, 2, 8, 3, 1, 7, 6, 7, 4, 4, 8, 5, 4, 7, 5, 3, 4, 5, 6, 8, 0, 0, 2, 2, 0, 3, 7, 1, 7, 2, 3, 9, 4, 3, 5, 3, 8, 5, 1, 2, 1, 8, 3, 2, 9, 0, 8, 6, 3, 2, 9, 7, 2, 8, 0, 3, 4, 0, 1, 9, 5, 8, 9, 7

Offset

1,2

Comments

Average length of the 3rd increasing run in a random permutation of n integers as n->Infinity.

Links

Table of n, a(n) for n=1..102.

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

Sequence in context: A131744 A076416 A201289 * A334452 A195480 A175619

Adjacent sequences: A091130 A091131 A091132 * A091134 A091135 A091136

Keyword

nonn,cons,easy

Author

Eric W. Weisstein, Dec 19 2003

Status

approved