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A088029 Smallest cube k such that k-1 is a squarefree number with n prime divisors. 1
8, 27, 3375, 1331, 658503, 24642171, 2176782336, 40920960536, 510273943271, 777951864091611, 1192061253627791, 5102581508637228071, 1199757898010467651311 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(4) = 1331 = 11^3 = 2*5*7*19 +1.

CROSSREFS

Cf. A088030.

Sequence in context: A115701 A030483 A027454 * A126815 A053619 A112663

Adjacent sequences:  A088026 A088027 A088028 * A088030 A088031 A088032

KEYWORD

more,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 19 2003

EXTENSIONS

More terms from Ray Chandler, Oct 04 2003

2 more terms from Lambert Herrgesell (zero815(AT)googlemail.com), Feb 20 2008

STATUS

approved

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Last modified May 19 15:27 EDT 2013. Contains 225433 sequences.