|
| |
|
|
A127443
|
|
Primes p such that 6p-11 and 6p+11 all also primes.
|
|
0
| |
|
|
3, 5, 7, 13, 23, 37, 47, 83, 97, 107, 127, 167, 197, 257, 313, 383, 397, 457, 463, 587, 653, 673, 677, 827, 863, 967, 1013, 1063, 1093, 1237, 1567, 1637, 1783, 1787, 1847, 1877, 1913, 2267, 2273, 2393, 2633, 2707, 2777, 2837, 2927, 2953, 3023, 3037, 3257
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| 7, 6*7-11=31, 6*7+11=53 are all primes
|
|
|
MATHEMATICA
| Select[Range[5000], PrimeQ[ # ] && PrimeQ[6# + 11] && PrimeQ[6# - 11] &]
|
|
|
PROG
| (MAGMA) [ p: p in PrimesUpTo(9000) | IsPrime(6*p-11) and IsPrime(6*p+11)] [From Vincenzo Librandi, Jan 29 2011]
|
|
|
CROSSREFS
| Sequence in context: A085013 A164939 A125272 * A003229 A077949 A077974
Adjacent sequences: A127440 A127441 A127442 * A127444 A127445 A127446
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 31 2007
|
| |
|
|
