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A050524 Primes of the form 9*2^n-1. 3
17, 71, 1151, 73727, 294911, 18874367, 79164837199871, 83010348331692982271, 5704427701027032306735164424191, 5841333965851681082096808370372607, 6576757367989063131916581747223273588451696443391 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[9 2^Range[0, 160]-1, PrimeQ] (* Harvey P. Dale, Apr 13 2011 *)
CROSSREFS
See A002236 for more terms.
Sequence in context: A288748 A069496 A047978 * A214530 A087514 A119625
KEYWORD
nonn,nice
AUTHOR
N. J. A. Sloane, Dec 29 1999
STATUS
approved

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Last modified June 21 18:50 EDT 2024. Contains 373557 sequences. (Running on oeis4.)