login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105009 Primes from merging of 4 successive digits in decimal expansion of exp(Pi). 1
6367, 1993, 1697, 6971, 9719, 1997, 7549, 4801, 1087, 4441, 8447, 5879, 2689, 6899, 1013, 7417, 1039, 7243, 8059, 5881, 7841, 1367, 3671, 3821, 4703, 3833, 2129, 4789, 5443, 1823, 8237, 8059, 4547, 5479, 7901, 9013, 2659, 5101, 1499, 9643, 4229, 1607 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

The first 5,000 digits of exp(PI) as calculated by Simon Plouffe at WorldWideSchool.org.

Eric Weisstein, Exponential Functions

MATHEMATICA

Select[FromDigits /@ Partition[RealDigits[Exp[Pi], 10, 500][[1]], 4, 1], # > 999 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 27 2013 *)

CROSSREFS

Cf. A039661.

Sequence in context: A117050 A292040 A203044 * A237380 A251406 A278187

Adjacent sequences:  A105006 A105007 A105008 * A105010 A105011 A105012

KEYWORD

nonn,base

AUTHOR

Andrew G. West (WestA(AT)wlu.edu), Mar 31 2005

EXTENSIONS

Changed offset from 0 to 1 by Vincenzo Librandi, Apr 27 2013

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 27 16:27 EDT 2022. Contains 354896 sequences. (Running on oeis4.)