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A154320 Primes p such that p and p^2+8p-4 are both prime +0
3
3, 5, 7, 13, 17, 19, 23, 29, 53, 67, 79, 83, 89, 97, 107, 113, 137, 179, 199, 229, 233, 239, 269, 277, 283, 313, 359, 379, 383, 397, 419, 457, 463, 487, 547, 563, 577, 599, 607, 617, 619, 647 (list; graph; listen)
OFFSET

1,1

EXAMPLE

For p=3, p^2+8p-4=29; p=229, p^2+8p-4=54269

CROSSREFS

Cf. A154319, A154321

Sequence in context: A152820 A023208 A162358 this_sequence A049231 A092195 A046066

Adjacent sequences: A154317 A154318 A154319 this_sequence A154321 A154322 A154323

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 07 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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