A139552 a(n) = lcm(1..floor(n/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

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