A043717 Numbers whose base-14 representation has an odd number of runs.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 211, 224, 225, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 242, 243, 244, 245

Offset

1,2

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Mathematica

A043717Q[k_] := OddQ[Length[Split[IntegerDigits[k, 14]]]];
Select[Range[250], A043717Q] (* Paolo Xausa, Oct 28 2025 *)

Crossrefs

Sequence in context: A044963 A044825 A048311 * A296753 A029959 A297283

Adjacent sequences: A043714 A043715 A043716 * A043718 A043719 A043720

Keyword

nonn,base

Author

Clark Kimberling

Extensions

More terms from Paolo Xausa, Oct 28 2025

Status

approved