login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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, 157319623416127642239771, 35260961012455728936456071, 2351436993054272987488815191 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(4) = 1331 = 11^3 = 2*5*7*19 + 1.
CROSSREFS
Cf. A088030.
Sequence in context: A030483 A027454 A229114 * A126815 A053619 A272259
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 1 05:26 EST 2024. Contains 370430 sequences. (Running on oeis4.)