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Search: id:A091120
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| A091120 |
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Number of primes of the form 7k+1 less than 10^n. |
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+0
6
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| 0, 3, 28, 203, 1593, 13063, 110653, 960023, 8474221, 75840762
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Computed by T. D. Noe (noe(AT)sspectra.com), Dec 19, 2003.
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LINKS
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Eric Weisstein's World of Mathematics, Modular Prime Counting Function
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CROSSREFS
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Cf. A091121, A091122, A091123, A091124, A091125.
Sequence in context: A012778 A074922 A081019 this_sequence A045737 A003466 A092637
Adjacent sequences: A091117 A091118 A091119 this_sequence A091121 A091122 A091123
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KEYWORD
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nonn,more
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Dec 19, 2003
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EXTENSIONS
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a(10) from Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 22 2003
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