A289664 Number of times that p = n-th popular prime = A124661(n) is popular on the interval [2,m] where m = A289661(n).

1, 1, 8, 10, 67, 140, 344, 563, 947, 1197, 2846, 7357, 7621, 7629, 48357, 161507, 697875, 2760913, 8354317, 9754751, 20284680, 21082412, 43030537, 96835105, 318536223, 534252383, 672026918, 873944930, 1588958920, 1612740571, 1656313907, 1672851087, 1676495503, 1682728352, 1708870682

Offset

1,3

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-A289665.

Sequence in context: A025634 A038288 A230111 * A321881 A204324 A070276

Adjacent sequences: A289661 A289662 A289663 * A289665 A289666 A289667

Keyword

nonn

Author

N. J. A. Sloane, Jul 25 2017

Status

approved