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A107303 Numbers n such that (3*n - 5) is prime. 0
4, 6, 8, 12, 14, 16, 22, 24, 26, 28, 34, 36, 38, 44, 48, 52, 54, 56, 62, 66, 68, 72, 76, 78, 82, 92, 94, 96, 104, 106, 112, 114, 118, 124, 126, 128, 134, 138, 142, 146, 148, 154, 156, 164, 168, 176, 182, 184, 192, 194, 202, 204, 206, 208, 212, 216, 222, 226, 232 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

3 and 5 are twin primes.

EXAMPLE

If n=4, then 3*n - 5 = 7 (prime).

If n=28, then 3*n - 5 = 79 (prime).

PROG

(MAGMA) [n: n in [2..300] | IsPrime(3*n-5)]; [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2010]

CROSSREFS

Cf. A088879.

Sequence in context: A117247 A047407 A090697 * A028876 A053579 A074121

Adjacent sequences:  A107300 A107301 A107302 * A107304 A107305 A107306

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), May 20 2005

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.