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Search: id:A032404
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A032404 Numbers n such that 109*2^n+1 is prime. +0
1
6, 14, 58, 62, 318, 1574, 2034, 26082, 96838, 103146 (list; graph; listen)
OFFSET

1,1

LINKS

Ray Ballinger, Proth Search Page

Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300

Y. Gallot, Proth.exe: Windows Program for Finding Large Primes

Wilfrid Keller, List of primes k.2^n - 1 for k < 300

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

CROSSREFS

Sequence in context: A114705 A107301 A118432 this_sequence A059954 A139257 A056842

Adjacent sequences: A032401 A032402 A032403 this_sequence A032405 A032406 A032407

KEYWORD

nonn,hard

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

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


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