OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1560
MATHEMATICA
Select[Range[2000], DigitCount[#, 3, 0]==DigitCount[#, 3, 2]==3 &] (* Vincenzo Librandi, Jul 25 2014 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved