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A032385 Numbers n such that 71*2^n+1 is prime. +0
1
3, 5, 9, 19, 23, 27, 57, 59, 65, 119, 299, 417, 705, 2255, 4017, 5193, 5565, 8055, 17659, 18039, 19819, 20507, 21333, 23289, 103155, 115913, 145423, 148419 (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: A028411 A018098 A108859 this_sequence A071384 A078066 A018002

Adjacent sequences: A032382 A032383 A032384 this_sequence A032386 A032387 A032388

KEYWORD

nonn

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

EXTENSIONS

More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 20 2003

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


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