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Search: id:A032370
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A032370 Numbers n such that 41*2^n+1 is prime. +0
1
1, 11, 19, 215, 289, 379, 1991, 7607, 8411, 12493, 13235, 13823 (list; graph; listen)
OFFSET

1,2

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: A048389 A163151 A020457 this_sequence A129908 A129909 A003284

Adjacent sequences: A032367 A032368 A032369 this_sequence A032371 A032372 A032373

KEYWORD

nonn

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

EXTENSIONS

Next term of sequence exceeds 14100.

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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