login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A105382
Primes from merging of 9 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.
2
643647241, 738336289, 879351029, 633086627, 276831733, 214005479, 968115587, 155879489, 327776191, 564558769, 145250683, 276587939, 929588063, 320447219, 782638903, 515912081, 487745879, 894087011, 710693161, 693161461, 448359091
OFFSET
1,1
LINKS
The first 10,000 digits of Zeta(2) as calculated by Simon Plouffe at WorldWideSchool.org.
Eric Weisstein's World of Mathematics, Riemann Zeta Functions.
MATHEMATICA
Select[FromDigits /@ Partition[RealDigits[Zeta[2], 10, 31700][[1]], 9, 1], # > 99999999 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 28 2013 *)
CROSSREFS
Cf. A013661.
Sequence in context: A018786 A003824 A348655 * A032432 A307759 A271770
KEYWORD
nonn,base
AUTHOR
Andrew G. West (WestA(AT)wlu.edu), Apr 03 2005
EXTENSIONS
Changed offset from 0 to 1 by Vincenzo Librandi, Apr 28 2013
STATUS
approved