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A130286 Strongly-single primes: primes p such that neither previousprime(p) nor nextprime(p) is a twin prime. +0
1
83, 89, 127, 163, 167, 257, 331, 359, 367, 373, 379, 383, 389, 397, 401, 443, 449, 479, 487, 491, 499, 503, 547, 557, 587, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829 (list; graph; listen)
OFFSET

1,1

COMMENT

Cf. A007510 Single (or isolated or non-twin) primes. See also A000040 The prime numbers, A001097 Twin primes, A071904 Odd composite numbers.

CROSSREFS

Cf. A000040, A001097, A007510, A071904.

Adjacent sequences: A130283 A130284 A130285 this_sequence A130287 A130288 A130289

Sequence in context: A106418 A031961 A108751 this_sequence A062677 A045714 A090156

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Aug 06 2007

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.


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