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A154620
Primes p such that 31p+14 is prime.
1
3, 17, 23, 47, 53, 107, 113, 137, 179, 197, 233, 263, 269, 347, 353, 383, 389, 419, 449, 503, 563, 587, 593, 599, 617, 647, 659, 677, 683, 719, 773, 929, 1049, 1163, 1193, 1229, 1259, 1307, 1319, 1367, 1373, 1439, 1553, 1607, 1667, 1787, 1823, 1847, 1889
OFFSET
1,1
LINKS
EXAMPLE
For p=3, 31p+14=107; p=449, 31p+14=13933
MATHEMATICA
Select[Prime[Range[9000]], PrimeQ[31#+14]&] (* Vincenzo Librandi, Jul 31 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(2000)|IsPrime(31*p+14)]; // Vincenzo Librandi, Jul 31 2012
CROSSREFS
Cf. A142018.
Sequence in context: A351688 A206626 A128107 * A175385 A174268 A273834
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 17 2009
STATUS
approved