OFFSET
1,2
MATHEMATICA
ten14Q[n_]:=Module[{t=Tally[IntegerDigits[n, 14]][[All, 2]]}, Length[t] == Length[ Union[t]]]; Select[Range[300], ten14Q] (* Harvey P. Dale, Aug 28 2019 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved