login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A089440 14*p+13 and p are primes. 5
2, 5, 11, 17, 29, 41, 59, 89, 101, 107, 131, 137, 149, 167, 191, 227, 239, 251, 269, 281, 317, 347, 359, 419, 431, 449, 467, 479, 521, 587, 659, 677, 719, 761, 797, 857, 881, 941, 977, 1031, 1049, 1061, 1091, 1151, 1181, 1187, 1277, 1289, 1307, 1409, 1427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

q=13; lst={}; Do[p=Prime[n]; If[PrimeQ[(q+1)*p+q], AppendTo[lst, p]], {n, 6!}]; lst (* Vladimir Joseph Stephan Orlovsky, Mar 10 2009 *)

Select[Prime[Range[250]], PrimeQ[14#+13]&] (* Harvey P. Dale, Oct 24 2014 *)

PROG

(PARI) diff2p(n, a, b) = { forprime(x=3, n, y=(x-a)/b; if(y==floor(y), if(isprime(y), print1(y", ")) ) ) }

CROSSREFS

Sequence in context: A111166 A064337 A076873 * A228353 A055499 A014424

Adjacent sequences:  A089437 A089438 A089439 * A089441 A089442 A089443

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Dec 28 2003

EXTENSIONS

Definition corrected by Vaclav Kotesovec, Sep 29 2014

Offset changed by Harvey P. Dale, Oct 24 2014

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 June 2 10:57 EDT 2020. Contains 334771 sequences. (Running on oeis4.)