login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A091165 Number of primes of the form 30k + 1 less than 10^n. 8
0, 2, 18, 152, 1189, 9807, 83003, 719984, 6355189, 56878661, 514751823, 4700968833, 43258135129 (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: A125835 A091170 A207319 * A191814 A052838 A052876

Adjacent sequences:  A091162 A091163 A091164 * A091166 A091167 A091168

KEYWORD

nonn,more

AUTHOR

Robert G. Wilson v, Jan 12 2004

EXTENSIONS

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

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 21 16:04 EST 2019. Contains 329371 sequences. (Running on oeis4.)