A159993 Denominator of Sum_{k=0..n} A159990(k)/A159991(k), numerator=A159992.

1, 30, 3600, 36000, 4320000, 24300000, 23328000000, 93312000000, 3359232000000, 223948800000000, 604661760000000000, 36279705600000000000, 544195584000000000000, 1360488960000000000000, 326517350400000000000000

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: A338962 A115465 A152131 * A153470 A289247 A275049

Adjacent sequences: A159990 A159991 A159992 * A159994 A159995 A159996

Keyword

frac,nonn

Author

Reinhard Zumkeller, May 01 2009

Status

approved