OFFSET
1,1
COMMENTS
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1100
FORMULA
a(n) = 12*A043315(n) (= 12*n for n<11). - M. F. Hasler, Feb 02 2014
MATHEMATICA
Select[Range[10000], Union[Length/@Split[IntegerDigits[#, 11]]]=={2}&] (* Vincenzo Librandi, Feb 05 2014 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved