A033003 Every run of digits of n in base 5 has length 2.

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

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

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

Adjacent sequences: A033000 A033001 A033002 * A033004 A033005 A033006

Keyword

nonn,base

Author

Clark Kimberling

Status

approved