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A154821 Primes p of the form : p+p^2+p^3-+2=prime. +0
4
3, 7, 13, 139, 283, 1063, 1759, 1999, 2719, 2917, 3109, 3583, 4057, 4297, 4723, 5059, 5623, 5749, 6079, 6823, 8707, 9199, 9949, 12697, 15193, 15319, 15607, 16249, 16267, 16993, 17827, 18679, 18793, 20359, 20887, 21727, 22147, 23677, 24019, 24169 (list; graph; listen)
OFFSET

1,1

COMMENT

3+9+27=39-+2=primes,...

MATHEMATICA

lst={}; Do[p=Prime[n]; If[PrimeQ[p+p^2+p^3-2]&&PrimeQ[p+p^2+p^3+2], AppendTo[lst, p]], {n, 8!}]; lst

CROSSREFS

Sequence in context: A071087 A038691 A082718 this_sequence A084741 A135623 A089305

Adjacent sequences: A154818 A154819 A154820 this_sequence A154822 A154823 A154824

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 15 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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