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A032476 Numbers n such that 199*2^n+1 is prime. 0
2, 14, 18, 126, 134, 854, 1302, 22562, 42078, 44702, 44942, 60738 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Ray Ballinger, Proth Search Page

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

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: A022369 A096508 A108029 * A059205 A187261 A101398

Adjacent sequences:  A032473 A032474 A032475 * A032477 A032478 A032479

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.