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A014666 Erroneous version of A027435. 0
1, 2, 4, 6, 10, 11, 17, 21, 27, 29, 39, 42, 54, 58, 63, 71, 87, 90, 108, 114, 121, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

REFERENCES

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

LINKS

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

FORMULA

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.

CROSSREFS

Sequence in context: A086917 A004789 A027435 * A067852 A253968 A102025

Adjacent sequences:  A014663 A014664 A014665 * A014667 A014668 A014669

KEYWORD

dead

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 19 04:19 EDT 2019. Contains 322237 sequences. (Running on oeis4.)