A088029 Smallest cube k such that k-1 is a squarefree number with n prime divisors.

8, 27, 3375, 1331, 658503, 24642171, 2176782336, 40920960536, 510273943271, 777951864091611, 1192061253627791, 5102581508637228071, 1199757898010467651311, 157319623416127642239771, 35260961012455728936456071, 2351436993054272987488815191

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Example

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

Crossrefs

Cf. A088030.

Sequence in context: A030483 A027454 A229114 * A126815 A053619 A272259

Adjacent sequences: A088026 A088027 A088028 * A088030 A088031 A088032

Keyword

nonn

Author

Amarnath Murthy, 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

a(14)-a(16) derived from A088030 by Michel Marcus, Feb 05 2014

Status

approved