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Search: id:A055166
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| A055166 |
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Number of Mersenne primes between 10^n and 10^(n+1). |
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+0
1
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OFFSET
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0,1
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LINKS
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GIMPS, G.I.M.P.S.
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EXAMPLE
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There are 4 Mersenne primes between 10^0 and 10^1; 6 between 10^1 and 10^2; ... . There are 8 known Mersenne primes between 10^7 and 10^8 so for now, the next entry is 8.
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CROSSREFS
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Cf. A000043.
Sequence in context: A142973 A084892 A018835 this_sequence A130762 A054002 A010300
Adjacent sequences: A055163 A055164 A055165 this_sequence A055167 A055168 A055169
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KEYWORD
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nonn
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AUTHOR
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Marvin Ray Burns (bmmmburns(AT)sbcglobal.net) Jun 18 2000; updated Jan 07 2006, Jan 15 2009
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