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A033013 Every run of digits of n in base 15 has length 2. 2
16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 3600, 3632, 3648, 3664, 3680, 3696, 3712, 3728, 3744, 3760, 3776, 3792, 3808, 3824, 7200, 7216, 7248, 7264, 7280, 7296, 7312, 7328, 7344, 7360, 7376, 7392 (list; graph; refs; listen; history; text; internal format)
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 04 2014

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..2000

FORMULA

a(n) = 16*A043319(n) (= 16n for n<15). - M. F. Hasler, Feb 02 2014

MATHEMATICA

Select[Range[10000], Union[Length/@Split[IntegerDigits[#, 15]]]=={2}&] (* Vincenzo Librandi, Feb 05 2014 *)

CROSSREFS

Sequence in context: A044061 A033028 A044841 * A043334 A023707 A044442

Adjacent sequences:  A033010 A033011 A033012 * A033014 A033015 A033016

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 28 17:57 EDT 2017. Contains 287241 sequences.