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A050591
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Numbers n such that 131*2^n-1 is prime.
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0
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2, 14, 34, 38, 42, 78, 90, 178, 778, 974, 1878, 3718, 4050, 5466, 6478, 35662, 40046, 56346, 98626, 131026, 138658
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OFFSET
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1,1
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COMMENTS
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Also in the sequence: 603738 - Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
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LINKS
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PROG
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CROSSREFS
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KEYWORD
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hard,nonn
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AUTHOR
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EXTENSIONS
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More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008
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STATUS
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approved
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