A023060 Positive numbers k such that k and 3*k are anagrams in base 4 (written in base 4).

1023, 10023, 10113, 10230, 10233, 10323, 100023, 100113, 100230, 100233, 100323, 101130, 101133, 101232, 102300, 102330, 102333, 103230, 103233, 103323, 1000023, 1000113, 1000230, 1000233, 1000323, 1001130, 1001133, 1001232, 1002300, 1002330

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Mathematica

FromDigits[IntegerDigits[#, 4]] & /@ Select[Range[10000], SameQ @@ Sort /@ IntegerDigits[{#, 3*#}, 4] &] (* Amiram Eldar, Aug 06 2025 *)

Crossrefs

Cf. A007090.

Sequence in context: A380831 A338704 A158421 * A223079 A011560 A160957

Adjacent sequences: A023057 A023058 A023059 * A023061 A023062 A023063

Keyword

nonn,base

Author

David W. Wilson

Status

approved