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A067668 a(n)=(3^n)!/3^(floor(3^n/2)). 0
2, 4480, 6829776306569216000000, 476828881356392543041592797163461605193984896811956028519492400892855796105719316480000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
3^(floor(3^n/2)) is the highest power of 3 dividing (3^n)!
LINKS
Table of n, a(n) for n=1..4.
CROSSREFS
Sequence in context: A135959 A105667 A178410 * A292391 A195002 A203756
Adjacent sequences: A067665 A067666 A067667 * A067669 A067670 A067671
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 04 2002
STATUS
approved

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Last modified June 6 06:26 EDT 2024. Contains 373115 sequences. (Running on oeis4.)