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A090142 Decimal expansion of e^2 - e. 6
4, 6, 7, 0, 7, 7, 4, 2, 7, 0, 4, 7, 1, 6, 0, 4, 9, 9, 1, 8, 7, 0, 1, 3, 9, 9, 8, 9, 2, 2, 2, 3, 4, 5, 3, 1, 5, 4, 2, 3, 0, 6, 8, 4, 7, 6, 8, 5, 1, 8, 8, 7, 7, 4, 9, 1, 2, 0, 1, 6, 0, 1, 9, 4, 7, 9, 8, 4, 9, 7, 1, 6, 5, 7, 2, 5, 5, 1, 0, 1, 6, 8, 8, 1, 2, 9, 3, 0, 3, 0, 6, 5, 5, 3, 9, 5, 5, 3, 6, 7, 3, 4, 6, 2, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Expected number of picks from a uniform [0,1] needed to first exceed a sum of 2.

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Uniform Sum Distribution

FORMULA

Equals (sum_{n>0}(sum_{k>0} n/(n!*k!))). - Fredrik Johansson, Apr 21 2006

EXAMPLE

=4.670774270471604991870139989222345315423068476851887749120160194798497165725…

MATHEMATICA

RealDigits[N[Integrate[E, {x, 1, E}], 100]][[1]] (* Arkadiusz Wesolowski, May 30 2013 *)

RealDigits[E^2 - E, 10, 111][[1]] (* Robert G. Wilson v, Nov 05 2013 *)

CROSSREFS

Cf. A001113, A072334, A090143, A089139, A090611.

Sequence in context: A019203 A082237 A042976 * A086237 A200410 A136323

Adjacent sequences:  A090139 A090140 A090141 * A090143 A090144 A090145

KEYWORD

nonn,cons,easy

AUTHOR

Eric W. Weisstein, Nov 22 2003

STATUS

approved

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Last modified June 22 12:24 EDT 2017. Contains 288613 sequences.