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A053353 Numbers n such that 273*2^n+1 is prime. +0
1
1, 2, 5, 10, 13, 40, 41, 45, 56, 64, 72, 86, 94, 121, 160, 213, 338, 352, 833, 1014, 1072, 1098, 1297, 1381, 1952, 1990, 2421, 2600, 3474, 3533, 3602, 4361, 5846, 6234, 6926, 7562, 8238, 10866, 11240, 11765, 26408, 26648, 28258, 53233, 53405, 67344, 73453 (list; graph; listen)
OFFSET

1,2

LINKS

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: A033316 A099194 A140411 this_sequence A099792 A115757 A159032

Adjacent sequences: A053350 A053351 A053352 this_sequence A053354 A053355 A053356

KEYWORD

hard,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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