login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A058191 Number of primes <= 13^n. 0
0, 6, 39, 327, 3107, 31616, 337175, 3715296, 41913438, 481269293, 5602858280, 65950014530, 783308042567, 9373678643933, 112887433941997, 1366927164653291, 16630083791845124, 203159420763091245, 2490934476522213505, 30640433478257977941 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
Table[ PrimePi[ 13^n ], {n, 0, 12} ]
CROSSREFS
Cf. A006880.
Sequence in context: A137972 A007322 A341728 * A113347 A265953 A356335
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Dec 04 2000
EXTENSIONS
a(13)-a(19) from Henri Lifchitz, Aug 25 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 20 05:30 EDT 2024. Contains 374441 sequences. (Running on oeis4.)