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Search: id:A091122
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| A091122 |
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Number of primes of the form 7k+3 less than 10^n. |
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+0
6
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| 1, 5, 30, 209, 1613, 13105, 110815, 960213, 8475123, 75843438
(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. A091120, A091121, A091123, A091124, A091125.
Sequence in context: A091927 A082301 A144180 this_sequence A029587 A001720 A051829
Adjacent sequences: A091119 A091120 A091121 this_sequence A091123 A091124 A091125
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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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