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A254462 Primes prime(n) such that prime(n) + 5*n is also prime. 3
2, 3, 13, 19, 29, 37, 43, 61, 113, 151, 163, 173, 223, 229, 239, 251, 311, 317, 337, 359, 373, 397, 409, 433, 503, 601, 647, 659, 673, 683, 757, 821, 857, 863, 887, 941, 1061, 1097, 1109, 1123, 1213, 1249, 1291, 1307, 1373, 1423, 1439, 1493, 1511, 1531, 1559 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

EXAMPLE

prime(2)=3 is in the sequence because 3+5*2 = 13 is prime.

prime(6)=13 is in the sequence because 13+5*6 = 43 is prime.

MATHEMATICA

Prime[Select[Range[300], PrimeQ[Prime[#] + 5 #] &]]

PROG

(MAGMA) [NthPrime(n): n in [1..300] | IsPrime(NthPrime(n)+5*n)]

CROSSREFS

Cf. A061067, A231232, A231383.

Sequence in context: A338216 A143871 A225517 * A275030 A194598 A080359

Adjacent sequences:  A254459 A254460 A254461 * A254463 A254464 A254465

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Feb 04 2015

STATUS

approved

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Last modified April 13 14:11 EDT 2021. Contains 342936 sequences. (Running on oeis4.)