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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A186509 Numbers n such that there are 17 primes between 100*n and 100*n+99. 19
4, 14, 7837, 27049, 144997771, 651186838, 12779564974, 22369949923, 149621468452, 225012717952, 240728320642, 586832463472, 766964610742, 939742446571, 949543082647 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

There are 2829786 possible prime patterns for centuries having 17 primes. - Tim Johannes Ohrtmann, Aug 27 2015

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

4 is in this sequence because there are 17 primes between 400 and 499 (401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491 and 499).

CROSSREFS

Cf. A038822 (number of primes between 100n and 100n+99), A186311 (first occurrences).

Cf. A181098 (no primes), A186393-A186408 (1 to 16 primes).

Sequence in context: A138488 A022508 A161741 * A097548 A218047 A127910

Adjacent sequences:  A186506 A186507 A186508 * A186510 A186511 A186512

KEYWORD

nonn

AUTHOR

T. D. Noe, Feb 22 2011

EXTENSIONS

a(7)-a(15) from Donovan Johnson, Feb 28 2011

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified August 24 04:50 EDT 2017. Contains 291052 sequences.