A159993 - OEIS

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A159993

Denominator of Sum(A159990(k)/A159991(k): 0<=k<=n), numerator=A159992.

1, 30, 3600, 36000, 4320000, 24300000, 23328000000, 93312000000, 3359232000000, 223948800000000, 604661760000000000, 36279705600000000000, 544195584000000000000, 1360488960000000000000, 326517350400000000000000 (list; graph; refs; listen; history; 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: A001459 A115465 A152131 * A153470 A127849 A166845` `Adjacent sequences: A159990 A159991 A159992 * A159994 A159995 A159996`
	KEYWORD	`frac,nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 01 2009`

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Last modified February 16 11:30 EST 2012. Contains 205907 sequences.