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A156009 Primes p such that 64*p + 189 is also prime. 4
2, 5, 13, 17, 37, 53, 61, 71, 73, 83, 97, 101, 103, 127, 131, 173, 191, 193, 211, 223, 227, 233, 251, 263, 283, 317, 337, 347, 367, 373, 431, 433, 443, 457, 487, 503, 521, 557, 577, 601, 641, 643, 647, 653, 673, 677, 701, 743, 797, 821, 823, 827, 883, 887, 907 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MAPLE

a := proc (n) if isprime(64*ithprime(n)+189) = true then ithprime(n) else end if end proc: seq(a(n), n = 1 .. 180); # Emeric Deutsch, Mar 01 2009

MATHEMATICA

Select[Prime[Range[1000]], PrimeQ[(64*# + 189)]&] (* Vincenzo Librandi, Oct 30 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(1000)| IsPrime(64*p + 189)]; // Vincenzo Librandi, Oct 30 2012

CROSSREFS

Cf. A156004, A156005, A156007.

Sequence in context: A293173 A079936 A102854 * A215275 A164620 A156013

Adjacent sequences:  A156006 A156007 A156008 * A156010 A156011 A156012

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Feb 01 2009

EXTENSIONS

More terms from Emeric Deutsch, Mar 01 2009

STATUS

approved

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Last modified June 20 11:38 EDT 2019. Contains 324234 sequences. (Running on oeis4.)