A044825 Positive integers having distinct base-14 run lengths.

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, 196, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 226, 241, 256, 271, 286, 301, 316, 331, 346, 361, 376, 391, 392, 407, 420, 421, 422, 423

Offset

1,2

Links

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

Example

346 = 1AA_14 is in the sequence as it has distinct run lengths of distinct digits (1, 2). - David A. Corneth, Jan 04 2021

Mathematica

A044825Q[k_] := DuplicateFreeQ[Map[Length, Split[IntegerDigits[k, 14]]]];
Select[Range[500], A044825Q] (* 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: A017906 A159452 A044963 * A048311 A043717 A296753

Adjacent sequences: A044822 A044823 A044824 * A044826 A044827 A044828

Keyword

nonn,base

Author

Clark Kimberling

Status

approved