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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105445 a(n) = the smallest prime p such that p+8 and q+8 are prime; q is the n-th prime after p. 3
3, 5, 3, 11, 11, 5, 3, 3, 59, 29, 11, 11, 5, 3, 3, 29, 5, 3, 11, 71, 5, 3, 5, 3, 29, 23, 11, 233, 5, 3, 23, 5, 3, 23, 11, 71, 5, 3, 59, 5, 3, 23, 173, 149, 131, 11, 23, 5, 3, 479, 11, 11, 5, 3, 3, 53, 71, 233, 71, 59, 53, 29, 23, 173, 191, 59, 11, 23, 5, 3, 53, 11, 29, 5, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..75.

EXAMPLE

a(2)=5 because 5+8 and 11+8 are primes.

CROSSREFS

Cf. A105439, A105443, A105444.

Sequence in context: A242034 A205708 A089730 * A178095 A177904 A049072

Adjacent sequences:  A105442 A105443 A105444 * A105446 A105447 A105448

KEYWORD

nonn

AUTHOR

Cino Hilliard, May 02 2005

EXTENSIONS

Edited by Don Reble, Jun 11 2007

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 16 23:49 EDT 2019. Contains 325092 sequences. (Running on oeis4.)