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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046122 Second member of a sexy prime quadruple: value of p+6 where (p,p+6,p+12,p+18) are all prime. 4
11, 17, 47, 67, 257, 607, 647, 1097, 1487, 1607, 1747, 1867, 2377, 2677, 3307, 3917, 4007, 5107, 5387, 5437, 5647, 6317, 6367, 9467, 11827, 12107, 12647, 13457, 14627, 14747, 15797, 15907, 17477, 18217, 19477, 20347, 21487, 23327, 24097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

Eric Weisstein's World of Mathematics, Sexy Primes.

FORMULA

a(n) = 6+A023271(n) = A046123(n)-6. R. J. Mathar, Jun 28 2012

MATHEMATICA

lst={}; Do[p=Prime[n]; If[PrimeQ[p+6]&&PrimeQ[p+12]&&PrimeQ[p+18], AppendTo[lst, p+6]], {n, 8!}]; lst [From Vladimir Joseph Stephan Orlovsky, Aug 29 2008]

CROSSREFS

Cf. A023201, A046117, A046123, A046124.

Sequence in context: A191456 A146036 A248482 * A217064 A242244 A228031

Adjacent sequences:  A046119 A046120 A046121 * A046123 A046124 A046125

KEYWORD

nonn

AUTHOR

Eric W. Weisstein

STATUS

approved

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

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

Last modified December 21 12:47 EST 2014. Contains 252321 sequences.