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Search: id:A157975
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| A157975 |
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Numbers n such that n and 16*n+15 are primes. |
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+0
4
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| 2, 7, 11, 13, 23, 29, 37, 53, 61, 67, 71, 79, 89, 97, 103, 109, 113, 131, 137, 139, 149, 167, 179, 197, 211, 223, 257, 277, 293, 313, 317, 337, 379, 383, 397, 419, 431, 439, 443, 467, 571, 601, 617, 631, 641, 643, 653, 659, 677, 691, 719, 733, 739, 743, 809
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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q=15; lst={}; Do[p=Prime[n]; If[PrimeQ[(q+1)*p+q], AppendTo[lst, p]], {n, 6!}]; lst
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CROSSREFS
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Cf. A136082, A136083, A023213, A023221, A023235, A023240, A157974, A136083, A136084, A089440, A136085
Sequence in context: A038892 A019346 A045369 this_sequence A045370 A117048 A040128
Adjacent sequences: A157972 A157973 A157974 this_sequence A157976 A157977 A157978
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 10 2009
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