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!)
A289662 a(n) is the smallest m such that p = n-th popular prime = A124661(n) is uniquely popular on the interval [2,m]. 1
2, 12, 80, 196, 1638, 4864, 22425, 46500, 109779, 158625, 603564, 2552416, 2620142, 2627250, 41163747, 237398795, 1966466950, 13690729828, 64322158656, 79838739611, 220355987735, 232268774850, 618745972214, 1882062476406, 9607713772982, 19364051829855, 26393150937218, 37636607806688, 84128837898780, 85992223800358 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Nathan McNew, The Most Frequent Values of the Largest Prime Divisor Function, Exper. Math., 2017, Vol. 26, No. 2, 210-224; http://dx.doi.org/10.1080/10586458.2016.115518
LINKS
Nathan McNew, Popular values of the largest prime divisor function, arXiv:1504.05985 [math.NT], 2015.
CROSSREFS
Sequence in context: A062871 A306272 A227968 * A107632 A270775 A240836
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 25 2017
EXTENSIONS
Deleted "first" from definition. - N. J. A. Sloane, Oct 03 2019
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 April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)