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A032406 Numbers n such that 113*2^n+1 is prime. +0
1
1, 5, 13, 33, 145, 365, 409, 509, 553, 673, 733, 961, 1045, 1541, 2473, 3461, 5841, 6221, 9961, 10753, 16589, 26573, 68161, 118705, 129845, 160645, 223413, 281769 (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: A055426 A146621 A147086 this_sequence A146917 A106587 A034509

Adjacent sequences: A032403 A032404 A032405 this_sequence A032407 A032408 A032409

KEYWORD

nonn

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

EXTENSIONS

Extended by Hugo Pfoertner (hugo(AT)pfoertner.org), Jul 2 2003

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


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