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A033003
Every run of digits of n in base 5 has length 2.
3
6, 12, 18, 24, 150, 162, 168, 174, 300, 306, 318, 324, 450, 456, 462, 474, 600, 606, 612, 618, 3756, 3762, 3768, 3774, 4050, 4056, 4068, 4074, 4200, 4206, 4212, 4224, 4350, 4356, 4362, 4368, 7506, 7512, 7518, 7524, 7650, 7662
OFFSET
1,1
COMMENTS
See A043291 and A033001 through A033014 for the analog in other bases, A033015 - A033029 for the variants with run lengths >= 2. - M. F. Hasler, Feb 02 2014
LINKS
FORMULA
a(n) = 6*A043309(n) (= 6*n for n<5). - M. F. Hasler, Feb 02 2014
MATHEMATICA
Select[Range[10000], Union[Length/@Split[IntegerDigits[#, 5]]]=={2}&] (* Vincenzo Librandi, Feb 05 2014 *)
CROSSREFS
Sequence in context: A209309 A020333 A044831 * A108592 A108593 A172331
KEYWORD
nonn,base
STATUS
approved