A139552 - OEIS

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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 * A376948 A292140 A064943

Adjacent sequences: A139549 A139550 A139551 * A139553 A139554 A139555

KEYWORD

nonn

AUTHOR

Mats Granvik, Apr 27 2008

STATUS

approved