login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106091 Primes p such that 7*p + 12 and 12*p + 7 are primes. 2
5, 11, 13, 17, 23, 31, 43, 53, 61, 71, 73, 97, 107, 131, 167, 173, 181, 211, 227, 277, 307, 337, 383, 463, 503, 557, 601, 643, 701, 727, 811, 827, 877, 887, 907, 911, 937, 941, 997, 1013, 1031, 1051, 1091, 1097, 1193, 1201, 1223, 1231, 1277, 1303, 1361 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[220]], PrimeQ[12#+7]&&PrimeQ[7#+12]&]
PROG
(Magma) [p: p in PrimesUpTo(5000)|IsPrime(7*p+12) and IsPrime(12*p+7)] // Vincenzo Librandi, Jan 30 2011
CROSSREFS
Sequence in context: A307390 A104110 A038936 * A246374 A040113 A003632
KEYWORD
nonn
AUTHOR
Zak Seidov, May 07 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 22 01:34 EDT 2024. Contains 371887 sequences. (Running on oeis4.)