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A156300 Primes p such that 4*p-5 is a prime number +0
1
2, 3, 7, 13, 19, 43, 61, 67, 79, 97, 109, 127, 11, 163, 181, 211, 223, 229, 277, 307, 331, 373, 379, 397, 457, 463, 523, 601, 607, 613, 673, 727, 733, 751, 757, 853, 883, 907, 919, 967 (list; graph; listen)
OFFSET

1,1

EXAMPLE

For p=2, 4p-5=3; p=19, 4p-5=71; p=127, 4p-5=503

CROSSREFS

Cf. A156287, A156288

Sequence in context: A130272 A038940 A019383 this_sequence A067834 A070754 A049887

Adjacent sequences: A156297 A156298 A156299 this_sequence A156301 A156302 A156303

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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