The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A104931 Primes from merging of 8 successive digits in decimal expansion of (Pi^2). 1
61883449, 83449099, 51135313, 19205243, 43001773, 34812203, 76779851, 76609903, 12328403, 26058169, 92048309, 73270033, 27003307, 62666711, 11043589, 15041003, 32578853, 65952763, 37922683, 41250269, 25026973 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Pi as defined at MathWorld.com
Expansion of Pi^2 done to 10,000 digits as part of Project Gutenberg.
MATHEMATICA
Select[FromDigits/@Partition[RealDigits[Pi^2, 10, 500][[1]], 8, 1], #>10000000&&PrimeQ[#]&] (* Vincenzo Librandi, Apr 24 2013 *)
CROSSREFS
Sequence in context: A022218 A059001 A059003 * A210298 A204883 A096559
KEYWORD
nonn,base
AUTHOR
Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
EXTENSIONS
Changed offset from 0 to 1 by Vincenzo Librandi, Apr 24 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 May 30 04:46 EDT 2024. Contains 372958 sequences. (Running on oeis4.)