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A032393 Numbers n such that 87*2^n+1 is prime. +0
1
2, 6, 8, 18, 26, 56, 78, 86, 104, 134, 207, 518, 602, 1268, 1302, 2324, 2372, 4574, 5652, 5966, 6146, 6378, 7502, 7682, 7895, 9198, 9344, 11106, 11504, 12096, 19904, 19932, 20816, 43406, 57222, 61202, 83766, 98978, 121562 (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: A005823 A024431 A053658 this_sequence A102656 A077638 A103015

Adjacent sequences: A032390 A032391 A032392 this_sequence A032394 A032395 A032396

KEYWORD

nonn

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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