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A172981 Primes p such that 210*p+41 is also prime. 1
2, 5, 7, 11, 23, 29, 31, 53, 71, 79, 83, 89, 97, 107, 127, 131, 139, 151, 167, 191, 197, 211, 227, 229, 239, 241, 257, 269, 271, 277, 281, 283, 347, 349, 359, 379, 383, 409, 433, 449, 461, 499, 521, 587, 647, 673, 677, 709, 739, 743, 769, 787, 811, 823 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Prime[Range[1000]], PrimeQ[210 # + 41]&] (* Vincenzo Librandi, Dec 31 2013 *)

PROG

(MAGMA) [p: p in PrimesUpTo(1000) | IsPrime(210*p+41)]; // Vincenzo Librandi, Dec 31 2013

CROSSREFS

Cf. A140848.

Sequence in context: A040122 A318207 A038955 * A141064 A131102 A235468

Adjacent sequences:  A172978 A172979 A172980 * A172982 A172983 A172984

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Feb 06 2010

EXTENSIONS

Definition modified by Harvey P. Dale, Aug 21 2016

STATUS

approved

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Last modified May 28 13:20 EDT 2020. Contains 334683 sequences. (Running on oeis4.)