A033006 Every run of digits of n in base 8 has length 2.
9, 18, 27, 36, 45, 54, 63, 576, 594, 603, 612, 621, 630, 639, 1152, 1161, 1179, 1188, 1197, 1206, 1215, 1728, 1737, 1746, 1764, 1773, 1782, 1791, 2304, 2313, 2322, 2331, 2349, 2358, 2367, 2880, 2889, 2898, 2907, 2916, 2934
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1400
Programs
-
Mathematica
Select[Range[10000], Union[Length/@Split[IntegerDigits[#, 8]]]=={2}&] (* Vincenzo Librandi, Feb 05 2014 *)
Formula
a(n) = 9*A043312(n) (= 9*n for n<8). - M. F. Hasler, Feb 02 2014
Extensions
Typo in name corrected by Vincenzo Librandi, Feb 05 2014
Comments