A044822 Positive integers having distinct base-11 run lengths.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 121, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 145, 157, 169, 181, 193, 205, 217, 229, 241, 242, 254, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 278, 290, 302, 314, 326

Offset

1,2

Links

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

Example

270 = 226_11 is in the sequence as it has distinct run lengths of distinct digits (2, 1). - David A. Corneth, Jan 04 2021

Mathematica

A044822Q[k_] := DuplicateFreeQ[Map[Length, Split[IntegerDigits[k, 11]]]];
Select[Range[500], A044822Q] (* 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: A132577 A247167 A044960 * A048308 A043714 A296744

Adjacent sequences: A044819 A044820 A044821 * A044823 A044824 A044825

Keyword

nonn,base

Author

Clark Kimberling

Status

approved