A043716 Numbers whose base-13 representation has an odd number of runs.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 183, 195, 196, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210

Offset

1,2

Links

Table of n, a(n) for n=1..52.

Mathematica

Select[Range[250], OddQ[Length[Split[IntegerDigits[#, 13]]]]&] (* Harvey P. Dale, Jan 31 2016 *)

Crossrefs

Sequence in context: A044962 A044824 A048310 * A296750 A029958 A297280

Adjacent sequences: A043713 A043714 A043715 * A043717 A043718 A043719

Keyword

nonn,base

Author

Clark Kimberling

Status

approved