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Search: id:A137873
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| A137873 |
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Prime numbers, isolated from neighboring primes by +-12. |
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+0
2
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| 1847, 2179, 2503, 2819, 3137, 3433, 3967, 4177, 4621, 4831, 5623, 5953, 6637, 7283, 7369
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The definition means that p+-2, p+-4, p+-6, p+-8, p+-10 and p+-12 are all composite. - njas, Jun 04 2008
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MATHEMATICA
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q=12; s=""; For[i=1, i<12^2, p=Prime[i]; a=0; For[j=2, j<=q, If[PrimeQ[p-j]||PrimeQ[p+j], a=1; Break[]]; j=j+2]; If[a==0, s=s<>ToString[p]<>", "]; i++ ]; Print[s]
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CROSSREFS
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Note that this is different from A137796.
Sequence in context: A100970 A112017 A031935 this_sequence A054814 A123107 A105000
Adjacent sequences: A137870 A137871 A137872 this_sequence A137874 A137875 A137876
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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), Apr 29 2008
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