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Search: id:A115395
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A115395 Primes p such that p+/-6 are semiprimes. +0
1
71, 127, 139, 149, 211, 241, 293, 397, 401, 409, 421, 479, 487, 491, 499, 521, 523, 617, 661, 673, 691, 701, 743, 761, 773, 787, 797, 809, 907, 911, 967, 1049, 1061, 1151, 1153, 1163, 1171, 1201, 1213, 1249, 1279, 1399, 1409, 1471, 1523, 1571, 1583, 1597 (list; graph; listen)
OFFSET

1,1

COMMENT

Cf. A063643 Primes p such that p+/-2 are semiprimes, A117328 Primes p such that p+/-4 are semiprimes.

EXAMPLE

71-6=65=5*13 (semiprime), 71+6=77=7*11 (semiprime).

CROSSREFS

Cf. A063643.

Sequence in context: A033246 A141879 A026063 this_sequence A142647 A090799 A044194

Adjacent sequences: A115392 A115393 A115394 this_sequence A115396 A115397 A115398

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 08 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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