OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[0, 1000], Length[Union[Most[DigitCount[#, 4]]]]==1&] (* Harvey P. Dale, Oct 04 2016 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved