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Search: id:A154824
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| A154824 |
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Primes p of the form : p+p^2+p^3-+2=primes and p+p^2+p^3-+8=primes. |
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1
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| 3, 356647, 500719, 562759, 784513, 837307, 902017, 1003963, 1258903, 1456519, 1893427, 2157457, 2597953, 5771587, 6757843, 6842503, 7731133, 10035397, 11155957, 11929849, 12276643, 13395727, 14139283, 15609367, 16675003
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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3+9+27=39-+2=primes, 3+9+27=39-+8=primes,...
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MATHEMATICA
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lst={}; Do[p=Prime[n]; If[PrimeQ[p+p^2+p^3-2]&&PrimeQ[p+p^2+p^3+2]&&PrimeQ[p+p^2+p^3-8]&&PrimeQ[p+p^2+p\ ^3+8], AppendTo[lst, p]], {n, 3*9!}]; lst
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CROSSREFS
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Cf. A154821, A154822, A154823
Sequence in context: A159577 A116536 A003544 this_sequence A137131 A117721 A058469
Adjacent sequences: A154821 A154822 A154823 this_sequence A154825 A154826 A154827
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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), Jan 15 2009
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