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Search: id:A143386
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A143386 Least prime a(n) such that M(n)*(M(n)+a(n))-1 is prime with M(i)=i-th Mersenne prime A000043(i). +0
2
3, 5, 11, 5, 11, 11, 17, 19, 23, 97, 127, 1009, 167, 269, 963, 479, 3307, 1453, 37507, 2357, 599, 17669, 5527, 3191, 3251, 70249, 147773 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A000043, A143384, A143385, A143387.

Sequence in context: A024329 A064523 A139430 this_sequence A151885 A137656 A046228

Adjacent sequences: A143383 A143384 A143385 this_sequence A143387 A143388 A143389

KEYWORD

hard,more,nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Aug 11 2008

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


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