|
| |
|
|
A046117
|
|
Values of p+6 such that p and p+6 are both prime.
|
|
55
|
|
|
|
11, 13, 17, 19, 23, 29, 37, 43, 47, 53, 59, 67, 73, 79, 89, 103, 107, 109, 113, 137, 157, 163, 173, 179, 197, 199, 229, 233, 239, 257, 263, 269, 277, 283, 313, 317, 337, 353, 359, 373, 379, 389, 439, 449, 463, 467, 509, 547, 563, 569, 577, 593, 599, 607, 613
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
T. D. Noe, Table of n, a(n) for n=1..1000
Eric Weisstein's World of Mathematics, Sexy Primes.
|
|
|
FORMULA
|
a(n) = A087695(n) + 3.
|
|
|
MATHEMATICA
|
q=6; a={}; Do[p1=Prime[n]; p2=p1+q; If[PrimeQ[p2], AppendTo[a, p2]], {n, 7^2}]; a "and/or" Select[Prime[Range[3, 7^2]], PrimeQ[ # ]&&PrimeQ[ #-6]&] (* Vladimir Joseph Stephan Orlovsky, Aug 07 2008 *)
|
|
|
PROG
|
(PARI) forprime(p=2, 1e4, if(isprime(p-6), print1(p", "))) \\ Charles R Greathouse IV, Jul 15 2011
|
|
|
CROSSREFS
|
Cf. A023201, A046117.
Cf. A098428.
Cf. A087695.
Sequence in context: A244555 A052293 A038842 * A240900 A091923 A050719
Adjacent sequences: A046114 A046115 A046116 * A046118 A046119 A046120
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Eric W. Weisstein
|
|
|
STATUS
|
approved
|
| |
|
|
