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A032376
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Numbers k such that 53*2^k+1 is prime.
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0
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1, 5, 17, 21, 61, 85, 93, 105, 133, 485, 857, 1665, 2133, 2765, 5621, 9025, 12241, 165541, 181033, 205301, 341301, 482377, 816013, 1066381, 1541133
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OFFSET
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1,2
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LINKS
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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More terms (from http://web.archive.org/web/20161028080239/http://www.prothsearch.net/riesel.html), Joerg Arndt, Apr 07 2013
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STATUS
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approved
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