OFFSET
1,1
COMMENTS
Subsidiary sequence: Least number that could be expressed as the sum of at least three successive terms of a geometric progression with positive terms in n distinct ways.
EXAMPLE
a(3) = 12 = 1+4+7 = 2+4+6 = 3+4+5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jun 08 2004
EXTENSIONS
More terms from Rick L. Shepherd, Sep 05 2006
STATUS
approved