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.

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

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 A352806 A033931

Adjacent sequences: A088941 A088942 A088943 * A088945 A088946 A088947

Keyword

nonn

Author

Benoit Cloitre, Oct 25 2003

Status

approved