login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A093580 Decimal expansion of e^(-Pi). 8
0, 4, 3, 2, 1, 3, 9, 1, 8, 2, 6, 3, 7, 7, 2, 2, 4, 9, 7, 7, 4, 4, 1, 7, 7, 3, 7, 1, 7, 1, 7, 2, 8, 0, 1, 1, 2, 7, 5, 7, 2, 8, 1, 0, 9, 8, 1, 0, 6, 3, 3, 0, 8, 2, 9, 8, 0, 7, 1, 9, 6, 8, 7, 4, 0, 1, 0, 5, 0, 7, 6, 5, 7, 5, 7, 0, 1, 7, 9, 6, 7, 6, 9, 8, 1, 3, 9, 9, 5, 9, 9, 6, 1, 9, 0, 1, 0, 8, 4, 3, 8, 7, 0, 1, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also, decimal expansion of (-1)^i. - Rick L. Shepherd, Jul 09 2013

LINKS

Harry J. Smith, Table of n, a(n) for n = 0..20000

EXAMPLE

0.0432139182637722497744177...

MATHEMATICA

Join[{0}, RealDigits[E^-Pi, 10, 105][[1]]] (* Harvey P. Dale, Apr 25 2012 *)

PROG

(PARI) { default(realprecision, 20080); x=10*exp(-Pi); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b093580.txt", n, " ", d)); } [Harry J. Smith, Jun 19 2009]

CROSSREFS

Cf. A039661, A001113, A000796.

Sequence in context: A110366 A250030 A090284 * A196535 A106655 A105313

Adjacent sequences:  A093577 A093578 A093579 * A093581 A093582 A093583

KEYWORD

cons,nonn

AUTHOR

Mohammad K. Azarian, May 14 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified December 20 18:40 EST 2014. Contains 252288 sequences.