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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108265 Consider primes p and q such that p = 2^k + 9 and q = 2^(k+1) + 9 for some k; sequence gives values of q. 1
13, 17, 73, 137, 1033 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

PROG

(PARI) g(m, n, b) = { for(x=0, n, y=m+b^x+b%2; z=m+b^(x+1)+b%2; if(isprime(y)&isprime(z), print1(y", ") ) ) }

CROSSREFS

Cf. A108264.

Sequence in context: A089577 A214393 A060569 * A069853 A175791 A289866

Adjacent sequences:  A108262 A108263 A108264 * A108266 A108267 A108268

KEYWORD

nonn

AUTHOR

Cino Hilliard, Jun 29 2005

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 September 18 20:22 EDT 2019. Contains 327181 sequences. (Running on oeis4.)