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A088944 a(n) = least k such that for any m>=0 k*sum(1<=u<=v<=w<=m,u^n*v/w) is an integer. 1
6, 12, 60, 60, 84, 84, 60, 60, 132, 132, 5460, 5460, 12, 12, 1020, 1020, 1596, 1596, 660, 660, 276, 276, 5460, 5460, 12, 12, 60, 60, 28644, 28644, 1020, 1020 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..31.

FORMULA

for n>=1 a(2n+1)=a(2n)

CROSSREFS

Cf. A088941, A088942, A088943, A088945.

Sequence in context: A322288 A337739 A076305 * A335000 A033931 A228847

Adjacent sequences:  A088941 A088942 A088943 * A088945 A088946 A088947

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Oct 25 2003

STATUS

approved

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Last modified May 11 01:05 EDT 2021. Contains 343784 sequences. (Running on oeis4.)