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A095209 a(1)=1, a(n+1) = least multiple of prime(n) such that the geometric mean of a(1) to a(n+1) is an integer. 4
1, 4, 54, 3750, 504210, 372027810, 144949074270, 209481995953230, 164735296593157290, 401824316553919068810, 2721846739094340967339230, 5095936579799734140259818030, 48850362989361131638352534231610 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..13.

Don Reble, Python program

EXAMPLE

(1*4*54*3750)^(1/4) = 30

CROSSREFS

Cf. A095210.

Sequence in context: A168510 A324235 A125531 * A107101 A147780 A140604

Adjacent sequences:  A095206 A095207 A095208 * A095210 A095211 A095212

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Jun 08 2004

EXTENSIONS

Edited by Don Reble, Jan 06 2007

STATUS

approved

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Last modified June 17 22:17 EDT 2019. Contains 324200 sequences. (Running on oeis4.)