A023080 Positive numbers k such that k and 3*k are anagrams in base 9 (written in base 9).

103, 134, 165, 206, 237, 268, 1003, 1030, 1043, 1304, 1340, 1344, 1403, 1434, 1465, 1605, 1645, 1650, 1658, 1865, 2006, 2060, 2086, 2307, 2370, 2374, 2387, 2437, 2608, 2680, 2688, 2806, 2837, 2868, 10003, 10030, 10043, 10300, 10331, 10362, 10430

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#, 9]] & /@ Select[Range[10000], SameQ @@ Sort /@ IntegerDigits[{#, 3*#}, 9] &] (* Amiram Eldar, Aug 07 2025 *)

Crossrefs

Cf. A007095.

Sequence in context: A146357 A252269 A252262 * A219785 A129484 A058999

Adjacent sequences: A023077 A023078 A023079 * A023081 A023082 A023083

Keyword

nonn,base

Author

David W. Wilson

Status

approved