A153805 Decimal expansion of 3-e.

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

Offset

0,1

Links

G. C. Greubel, Table of n, a(n) for n = 0..2000

Index entries for transcendental numbers

Formula

From Amiram Eldar, Aug 06 2020: (Start)

Equals Sum_{k>=0} k/(k + 2)!.

Equals Sum_{k>=0} 1/(k! * (k + 2) * (k + 3)) = Sum_{k>=3} 1/A052747(k).

Equals Sum_{k>=2} 1/(k! * k * (k - 1)) = Sum_{k>=4} 1/A098916(k). (End)

Area between log(x) and log(x)^2, i.e., Integral_{x=1..exp(1)} (log(x) - log(x)^2) dx. - Martin Renner, May 17 2022

Example

0.2817181715409547646397125286473375...

Mathematica

RealDigits[3 - E, 10, 150][[1]] (* Harvey P. Dale, Nov 29 2011 *)

Crossrefs

Cf. A001113, A052747, A098916, A121239.

Sequence in context: A103987 A021359 A109171 * A011056 A201763 A254277

Adjacent sequences: A153802 A153803 A153804 * A153806 A153807 A153808

Keyword

cons,nonn

Author

Omar E. Pol, Jan 28 2009

Status

approved