A023072 Positive numbers k such that k and 6*k are anagrams in base 7 (written in base 7).

1056, 10056, 10560, 10566, 10656, 100056, 100560, 100566, 100656, 104463, 104562, 104634, 105600, 105660, 105666, 106560, 106566, 106656, 1000056, 1000560, 1000566, 1000656, 1004463, 1004562, 1004634, 1005600, 1005660, 1005666, 1006560

Offset

1,1

Links

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

Mathematica

FromDigits[IntegerDigits[#, 7]] & /@ Select[Range[300000], SameQ @@ Sort /@ IntegerDigits[{#, 6*#}, 7] &] (* Amiram Eldar, Aug 07 2025 *)

Crossrefs

Cf. A023072.

Sequence in context: A158692 A236905 A281079 * A168627 A223294 A386818

Adjacent sequences: A023069 A023070 A023071 * A023073 A023074 A023075

Keyword

nonn,base

Author

David W. Wilson

Status

approved