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Search: id:A141593
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| A141593 |
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Numbers n and n+2310*1,n+2310*2,n+2310*3,n+2310*4 are averages of twin primes. |
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+0
1
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| 1932, 14592, 122598, 377370, 2137548, 16134048, 18132978, 34083432, 43175478, 46683060, 64938702
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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1932 and 4242,6552,8862,11172 are averages of twin primes.
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MATHEMATICA
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q=2310; lst={}; Do[If[PrimeQ[n-1]&&PrimeQ[n+1]&&PrimeQ[n+q*1-1]&&PrimeQ[n+q*1+1]&&PrimeQ[n+q*2-1]&&PrimeQ[n+q*2+1]&&PrimeQ[n+q*3-1]&&PrimeQ[n+q*3+1]&&PrimeQ[n+q*4-1]&&PrimeQ[n+q*4+1], Print[n]; AppendTo[lst, n]], {n, 10^8}]; lst
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CROSSREFS
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Sequence in context: A135648 A133301 A099482 this_sequence A031766 A031632 A031542
Adjacent sequences: A141590 A141591 A141592 this_sequence A141594 A141595 A141596
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KEYWORD
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nonn,uned
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 20 2008
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