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A051653 p and 2310p+1 are both primes. +0
2
2, 5, 11, 19, 47, 71, 73, 97, 109, 113, 137, 139, 151, 163, 167, 199, 229, 239, 263, 271, 311, 313, 317, 331, 347, 353, 379, 431, 433, 457, 461, 479, 503, 509, 523, 593, 599, 613, 617, 691, 701, 727, 761, 797, 811, 823, 853, 863, 883, 929, 937, 941, 947, 953 (list; graph; listen)
OFFSET

1,1

EXAMPLE

p=2 and 2310p+1=4621 are both primes.

CROSSREFS

Cf. A005384, A002110, A005385.

Sequence in context: A121606 A166164 A097008 this_sequence A106015 A093871 A033263

Adjacent sequences: A051650 A051651 A051652 this_sequence A051654 A051655 A051656

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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