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A107304 Numbers n such that (5*n - 7) is prime. 0
2, 4, 6, 10, 12, 16, 18, 22, 24, 34, 36, 40, 46, 48, 54, 58, 60, 64, 72, 76, 78, 88, 90, 94, 102, 106, 114, 120, 124, 130, 132, 136, 138, 148, 150, 156, 166, 172, 174, 178, 192, 198, 204, 208, 214, 220, 222, 226, 232, 234, 240, 244, 246, 258, 262, 276, 286, 288 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

5 and 7 are twin primes.

EXAMPLE

If n=2, then 5*n - 7 = 3 (prime).

If n=34, then 5*n - 7 = 163 (prime).

PROG

(MAGMA) [n: n in [2..300]| IsPrime(5*n-7)]; [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2010]

CROSSREFS

Sequence in context: A015921 A132631 A105965 * A082417 A161842 A085477

Adjacent sequences:  A107301 A107302 A107303 * A107305 A107306 A107307

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

More terms from Kyle D. Balliet (kdballie(AT)bloomu.edu), Feb 28 2009

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.