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A091129
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Number of primes of the form 8k+7 less than 10^n.
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4
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1, 6, 43, 308, 2399, 19669, 166237, 1440406, 12711702, 113766208, 1029523130, 9401993203, 86516416092, 801235499451
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OFFSET
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1,2
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COMMENTS
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Computed by T. D. Noe, Dec 19, 2003.
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LINKS
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Table of n, a(n) for n=1..14.
Eric Weisstein's World of Mathematics, Modular Prime Counting Function
Distribution of Primes [From Bernhard Helmes (pi(AT)devalco.de), Apr 21 2010]
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CROSSREFS
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Cf. A091126, A091127, A091128.
Sequence in context: A099322 A014989 A015552 * A091128 A025594 A098665
Adjacent sequences: A091126 A091127 A091128 * A091130 A091131 A091132
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KEYWORD
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nonn
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AUTHOR
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Eric W. Weisstein, Dec 19, 2003
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EXTENSIONS
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a(10) from Robert G. Wilson v, Dec 22 2003
More terms from a(11) - a(14) Bernhard Helmes (pi(AT)devalco.de), Apr 21 2010
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STATUS
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approved
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