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Search: id:A140555
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| A140555 |
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Primes p such that p + 6 is not a prime. |
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+0
2
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| 2, 3, 19, 29, 43, 59, 71, 79, 89, 109, 113, 127, 137, 139, 149, 163, 179, 181, 197, 199, 211, 229, 239, 241, 269, 281, 283, 293, 313, 317, 337, 349, 359, 379, 389, 397, 401, 409, 419, 421, 431, 439, 449, 463, 467, 479, 487, 491, 499, 509, 521, 523, 547, 569
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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A000040 SET MINUS A023201. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 09 2008]
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PROGRAM
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(PARI) forprime(p=2, 600, if(!isprime(p+6), print1(p, ", "))) [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Aug 12 2008]
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CROSSREFS
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Adjacent sequences: A140552 A140553 A140554 this_sequence A140556 A140557 A140558
Sequence in context: A141750 A090476 A127941 this_sequence A058912 A040145 A142955
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jul 03 2008
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EXTENSIONS
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Corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl) and Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Aug 12 2008
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