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A159993 Denominator of Sum(A159990(k)/A159991(k): 0<=k<=n), numerator=A159992. 6
1, 30, 3600, 36000, 4320000, 24300000, 23328000000, 93312000000, 3359232000000, 223948800000000, 604661760000000000, 36279705600000000000, 544195584000000000000, 1360488960000000000000, 326517350400000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..30

CROSSREFS

A159991, subsequence of A051037, the 5-smooth numbers.

Sequence in context: A289395 A115465 A152131 * A153470 A289247 A275049

Adjacent sequences:  A159990 A159991 A159992 * A159994 A159995 A159996

KEYWORD

frac,nonn

AUTHOR

Reinhard Zumkeller, May 01 2009

STATUS

approved

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Last modified August 20 10:41 EDT 2019. Contains 326150 sequences. (Running on oeis4.)