OFFSET
1,2
EXAMPLE
a(12)=3 because in the decimal expansion of 1/12=0.083333... are 3 different digits, namely 0,3 and 8.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), Apr 19 2006; corrected Apr 20 2006
STATUS
approved