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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105380 Primes from merging of 7 successive digits in decimal expansion of Zeta(2) or (PI^2)/6. 1
2643647, 2890061, 9006197, 7587053, 3040043, 8962337, 6233719, 3086627, 2768317, 1733309, 3309367, 6260509, 8115587, 9198407, 4558769, 5876963, 2008051, 5250683, 8338763, 2765879, 4472197, 4773409, 7734091, 9278263 (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 10,000 digits of Zeta(2) as calculated by Simon Plouffe at WorldWideSchool.org.

An explanation of Riemann Zeta Functions

MATHEMATICA

Select[FromDigits /@ Partition[RealDigits[Zeta[2], 10, 31700][[1]], 7, 1], # > 999999 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 28 2013 *)

CROSSREFS

Cf. A013661.

Sequence in context: A123155 A162026 A196496 * A157840 A063413 A210388

Adjacent sequences:  A105377 A105378 A105379 * A105381 A105382 A105383

KEYWORD

nonn,base

AUTHOR

Andrew G. West (WestA(AT)wlu.edu), Apr 02 2005

EXTENSIONS

Changed offset from 0 to 1 by Vincenzo Librandi, Apr 28 2013

STATUS

approved

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

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

Last modified May 25 21:30 EDT 2013. Contains 225649 sequences.