OFFSET
1,1
COMMENTS
k*n may comprise digits of 6 or both 0 and 6. - Harvey P. Dale, Dec 29 2013
FORMULA
a(n) = A078245(n)/n.
MATHEMATICA
k06[n_]:=Module[{k=1}, While[Max[Drop[DigitCount[k*n], {6, 10, 4}]]>0, k++]; k]; Array[k06, 52] (* Harvey P. Dale, Dec 29 2013 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Ray Chandler, Jul 12 2004
STATUS
approved