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A033011 Every run of digits of n in base 13 has length 2. 2
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 2366, 2394, 2408, 2422, 2436, 2450, 2464, 2478, 2492, 2506, 2520, 2534, 4732, 4746, 4774, 4788, 4802, 4816, 4830, 4844, 4858, 4872, 4886, 4900, 7098, 7112, 7126, 7154 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A043291 and A033001 through A033014 for the analog in other bases. See A033015 through 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..1800

FORMULA

a(n) = 14*A043317(n) (= 14*n for n<13). - M. F. Hasler, Feb 02 2014

MATHEMATICA

Select[Range[8000], Union[Length/@Split[IntegerDigits[#, 13]]]=={2}&] (* Harvey P. Dale, Feb 27 2013 *)

CROSSREFS

Sequence in context: A008596 A033026 A044839 * A077265 A033847 A067295

Adjacent sequences:  A033008 A033009 A033010 * A033012 A033013 A033014

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 28 20:39 EDT 2017. Contains 288840 sequences.