A023073 Positive numbers k such that k and 2*k are anagrams in base 8 (written in base 8).

25, 250, 275, 1042, 1204, 1463, 2041, 2104, 2500, 2525, 2750, 2775, 3146, 3567, 3657, 10042, 10204, 10402, 10420, 10742, 12004, 12040, 12074, 12245, 12452, 14063, 14306, 14603, 14630, 14637, 14736, 14763, 16043, 16304, 16347, 17346, 17463, 20041, 20104

Offset: 1

Author

David W. Wilson

Keywords

• nonn
• base

Links

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

Crossrefs

Cf. A007094.

Programs

Mathematica

FromDigits[IntegerDigits[#, 8]] & /@ Select[Range[30000], SameQ @@ Sort /@ IntegerDigits[{#, 2*#}, 8] &] (* Amiram Eldar, Aug 07 2025 *)