A043646 Numbers whose base-11 representation has exactly 3 runs.

122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 143, 144, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180

Offset

1,1

Links

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

Mathematica

Select[Range[200], Length[Split[IntegerDigits[#, 11]]]==3&] (* Harvey P. Dale, Sep 07 2013 *)

Crossrefs

Sequence in context: A060032 A109643 A080826 * A296886 A077376 A194565

Adjacent sequences: A043643 A043644 A043645 * A043647 A043648 A043649

Keyword

nonn,base

Author

Clark Kimberling

Status

approved