A044964 Numbers with no two equally numerous base 15 digits.

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, 226, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 256, 257, 271, 273, 286, 289, 301, 305, 316, 321, 331, 337, 346, 353, 361

Offset

1,2

Links

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

Mathematica

A044964Q[k_] := DuplicateFreeQ[Tally[IntegerDigits[k, 15]][[All, 2]]];
Select[Range[500], A044964Q] (* Paolo Xausa, Oct 27 2025 *)

Crossrefs

Sequence in context: A246078 A246085 A017907 * A044826 A048312 A043718

Adjacent sequences: A044961 A044962 A044963 * A044965 A044966 A044967

Keyword

nonn,base

Author

Clark Kimberling

Extensions

More terms from Paolo Xausa, Oct 27 2025

Status

approved