A289665 Number of times that p = n-th popular prime = A124661(n) is popular on the interval [2,m] where m = A289663(n).

4, 14, 25, 77, 151, 428, 616, 1005, 1517, 2902, 7664, 7722, 8284, 48380, 161644, 698074, 2761234, 8357693, 9758410, 20285553, 21123128, 43031555, 96835113, 318539488, 534261087, 672081919, 873949289, 1588958920, 1612740571, 1656313907, 1672851087, 1678444884, 1682728352, 1699108828, 1712113344

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

Table of n, a(n) for n=1..35.

Nathan McNew, Popular values of the largest prime divisor function, arXiv:1504.05985 [math.NT], 2015.

Crossrefs

Cf. A006530, A124661, A289661-A289664.

Sequence in context: A195973 A116963 A094930 * A080286 A075381 A030572

Adjacent sequences: A289662 A289663 A289664 * A289666 A289667 A289668

Keyword

nonn

Author

N. J. A. Sloane, Jul 25 2017

Status

approved