1,2

Former title: Partial sums of A014665. - Sean A. Irvine, Nov 15 2018

S. W. Golomb, personal communication, Svalbard, Norway, 7/97.

Table of n, a(n) for n=1..22.

For n>1: # of positive integers u <= n(n-1) such that p^H_p(u)<=n for all p<=u, where H_p(u) = highest power of p dividing u.

Sequence in context: A086917 A004789 A027435 * A067852 A253968 A102025

Adjacent sequences: A014663 A014664 A014665 * A014667 A014668 A014669

dead

N. J. A. Sloane.

approved