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A091169 Number of primes of the form 30k + 17 less than 10^n. 8
0, 2, 22, 153, 1211, 9809, 83107, 720225, 6355839, 56882586, 514754900, 4700994319, 43258179075 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

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

Sequence in context: A282819 A123960 A265864 * A279380 A230835 A270407

Adjacent sequences:  A091166 A091167 A091168 * A091170 A091171 A091172

KEYWORD

nonn,more

AUTHOR

Robert G. Wilson v, Jan 12 2004

EXTENSIONS

a(11)-a(13) from Hiroaki Yamanouchi, Oct 14 2014

STATUS

approved

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Last modified May 25 15:44 EDT 2019. Contains 323572 sequences. (Running on oeis4.)