OFFSET
1,1
FORMULA
If A006530(n) > 7, then a(n)=0. [From R. J. Mathar, Mar 12 2010]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Feb 19 2010
EXTENSIONS
More terms from R. J. Mathar, Mar 12 2010
STATUS
approved