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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A119334 Indices of Apery-primes: numbers n such that the concatenation of the first n decimal digits of Apery's constant zeta(3) is prime. 2
10, 55, 109, 141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Apery-Prime

Eric Weisstein's World of Mathematics, Integer Sequence Primes

EXAMPLE

zeta(3) = 1.2020569031595..., 1202056903--the concatenation of the first 10 decimal digits--is prime, so a(1)=10.

CROSSREFS

Cf. A002117, A119333.

Sequence in context: A303608 A139610 A088404 * A321780 A074977 A069155

Adjacent sequences:  A119331 A119332 A119333 * A119335 A119336 A119337

KEYWORD

nonn,more,base

AUTHOR

Eric W. Weisstein, May 14 2006

EXTENSIONS

Edited by Charles R Greathouse IV, Apr 27 2010

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 17 20:45 EDT 2019. Contains 325109 sequences. (Running on oeis4.)