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A164857 a(n) = A164798(n)/(n-1)!. 1
1, 2, 12, 4, 30, 6, 5040, 8, 90, 240240, 360360, 12, 2346549004800, 210, 240, 16, 19275223968000, 18, 46113021921146019840000, 420, 214978908196382744494080000, 10237090866494416404480000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Each term a(n) is divisible by every prime from 2 to the largest prime dividing a(n). I.e., all terms are in sequence A055932.
LINKS
CROSSREFS
Sequence in context: A082292 A248588 A332350 * A326125 A066700 A159323
KEYWORD
nonn
AUTHOR
Leroy Quet, Aug 28 2009
EXTENSIONS
Extended by Ray Chandler, Mar 14 2010
STATUS
approved

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Last modified July 23 10:38 EDT 2024. Contains 374547 sequences. (Running on oeis4.)