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A139552 a(n) = lcm(1..floor(n/3)). 3
1, 1, 1, 1, 1, 1, 2, 2, 2, 6, 6, 6, 12, 12, 12, 60, 60, 60, 60, 60, 60, 420, 420, 420, 840, 840, 840, 2520, 2520, 2520, 2520, 2520, 2520, 27720, 27720, 27720, 27720, 27720, 27720, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 720720 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

COMMENTS

Row products of A139551.

LINKS

Table of n, a(n) for n=0..48.

CROSSREFS

Cf. A139551, A003418.

Sequence in context: A155453 A032558 A211512 * A292140 A064943 A081478

Adjacent sequences:  A139549 A139550 A139551 * A139553 A139554 A139555

KEYWORD

nonn

AUTHOR

Mats Granvik, Apr 27 2008

STATUS

approved

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Last modified September 20 01:58 EDT 2019. Contains 327207 sequences. (Running on oeis4.)