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Search: id:A091166
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A091166 Number of primes of the form 30k + 7 less than 10^n. +0
8
1, 4, 24, 155, 1200, 9812, 83104, 720270, 6356475, 56881453 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A091165 + A091166 + A091167 + A091168 + A091169 + A091170 + A091171 + A091172 +3 (for 2, 3 & 5) = A006880.

Sequence in context: A104531 A045738 A003288 this_sequence A078108 A117337 A084130

Adjacent sequences: A091163 A091164 A091165 this_sequence A091167 A091168 A091169

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 12 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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