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A032364 Numbers n such that 29*2^n+1 is prime. 1
1, 3, 5, 11, 27, 43, 57, 75, 77, 93, 103, 143, 185, 231, 245, 391, 1053, 1175, 2027, 3627, 4727, 5443, 7927, 8533, 9067, 14185, 25723, 88117, 96947, 144937, 219317, 252227, 261031, 339123, 343601 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

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

Ray Ballinger, Proth Search Page

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: A027050 A109249 A196423 * A088357 A204857 A191025

Adjacent sequences:  A032361 A032362 A032363 * A032365 A032366 A032367

KEYWORD

nonn,hard

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 February 15 21:04 EST 2012. Contains 205854 sequences.