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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106088 Primes p such that 7*p+6 and 6*p+7 are primes. 0
5, 11, 31, 61, 71, 109, 199, 229, 241, 269, 281, 379, 389, 419, 431, 499, 541, 571, 631, 641, 709, 739, 809, 1049, 1061, 1069, 1091, 1231, 1259, 1289, 1291, 1429, 1439, 1451, 1489, 1499, 1571, 1601, 1621, 1831, 1861, 1931, 1949, 2011, 2069, 2089, 2099, 2239 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

MATHEMATICA

Select[Prime[Range[220]], PrimeQ[6#+7]&&PrimeQ[7#+6]&]

PROG

(MAGMA) [p: p in PrimesUpTo(10000)| IsPrime(7*p+6) and IsPrime(6*p+7)] [From Vincenzo Librandi, Nov 13 2010]

CROSSREFS

Sequence in context: A023259 A057470 A038580 * A077446 A023276 A074648

Adjacent sequences:  A106085 A106086 A106087 * A106089 A106090 A106091

KEYWORD

nonn

AUTHOR

Zak Seidov, May 07 2005

EXTENSIONS

More terms from Vincenzo Librandi, Apr 01 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified June 18 02:02 EDT 2013. Contains 226327 sequences.