A044823 Positive integers having distinct base-12 run lengths.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 144, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 170, 183, 196, 209, 222, 235, 248, 261, 274, 287, 288, 301, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323

Offset

1,2

Links

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

Example

314 = 222_12 is in the sequence as it has distinct run lengths of distinct digits (1). - David A. Corneth, Jan 04 2021

Mathematica

A044823Q[k_] := DuplicateFreeQ[Map[Length, Split[IntegerDigits[k, 12]]]];
Select[Range[500], A044823Q] (* 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: A143290 A272038 A044961 * A048309 A043715 A296747

Adjacent sequences: A044820 A044821 A044822 * A044824 A044825 A044826

Keyword

nonn,base

Author

Clark Kimberling

Status

approved