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A119634 a(n)=LCM(1,...,(2n+2))/2. 2
1, 6, 30, 420, 1260, 13860, 180180, 360360, 6126120, 116396280, 116396280, 2677114440, 13385572200, 40156716600, 1164544781400, 72201776446800, 72201776446800, 72201776446800, 2671465728531600, 2671465728531600 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

First column of A120101.

CROSSREFS

Sequence in context: A110374 A201135 A111876 * A075591 A130075 A066388

Adjacent sequences:  A119631 A119632 A119633 * A119635 A119636 A119637

KEYWORD

nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 09 2006

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.