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A163513
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Primes of the form (1+p+p^3)/3, p are prime numbers.
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1
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2293, 9941, 895253, 2626933, 17298497, 33084437, 47685397, 62056661, 76782337, 144599617, 189907873, 211280213, 258717493, 301410677, 479690273, 630940097, 717228821, 778918037, 1035249013, 1814163413, 1889439157, 2710909781
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OFFSET
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1,1
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COMMENTS
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2293=(1+19+19^3)/3,..
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LINKS
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MATHEMATICA
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f[n_]:=(1+n+n^3)/3; lst={}; Do[p=Prime[n]; If[PrimeQ[f[p]], AppendTo[lst, f[p]]], {n, 7!}]; lst
Select[(1+#+#^3)/3&/@Prime[Range[400]], PrimeQ] (* Harvey P. Dale, Apr 09 2016 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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