A289661 a(n) is the smallest m such that p = n-th popular prime = A124661(n) is first popular on the interval [2,m].

2, 3, 45, 70, 1456, 4845, 20332, 46345, 106812, 153032, 592760, 2484190, 2620033, 2623860, 41163150, 237321819, 1966462280, 13690728506, 64322151699, 79838726306, 220355977754, 232268764689, 618745965579, 1882062393429, 9607711921430, 19364051434020, 26393150922356, 37636607775855, 84128837864448, 85992223734996, 89487767413423

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..31.

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

Crossrefs

Cf. A006530, A124661, A289662-A289665.

Sequence in context: A349559 A349827 A060415 * A191996 A171079 A097929

Adjacent sequences: A289658 A289659 A289660 * A289662 A289663 A289664

Keyword

nonn

Author

N. J. A. Sloane, Jul 25 2017

Status

approved