A044826 Positive integers having distinct base-15 run lengths.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 225, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, 449, 450, 466

Offset

1,2

Links

David A. Corneth, Table of n, a(n) for n = 1..10000

Example

337 = 177_15 is in the sequence as it has distinct run lengths of distinct digits (1, 2). - David A. Corneth, Jan 04 2021

Mathematica

A044826Q[k_] := DuplicateFreeQ[Map[Length, Split[IntegerDigits[k, 15]]]];
Select[Range[500], A044826Q] (* Paolo Xausa, Oct 27 2025 *)

Crossrefs

Cf. A044813, A044814, A044815, A044816, A044817, A044818, A044819, A044820, A044821, A044822, A044823, A044824, A044825, A044826, A044827 (base 2 to base 16).

Sequence in context: A246085 A017907 A044964 * A048312 A043718 A296756

Adjacent sequences: A044823 A044824 A044825 * A044827 A044828 A044829

Keyword

nonn,base

Author

Clark Kimberling

Status

approved