OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
EXAMPLE
123717 is 1023456 in base 7.
MATHEMATICA
Select[Range[126000], Length[Union[DigitCount[#, 7]]]==1&] (* Vincenzo Librandi, Apr 18 2013 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved