A023075 k and 4k are anagrams in base 8 (written in base 8).

1024, 1042, 1463, 10024, 10042, 10204, 10240, 10346, 10402, 10420, 10634, 12245, 12425, 14063, 14306, 14367, 14603, 14630, 14637, 14763, 16347, 16743, 17024, 17042, 17463, 100024, 100042, 100204, 100240, 100346, 100402, 100420, 100634, 102004

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

filter:= proc(n)
  sort(convert(n, base, 8))=sort(convert(4*n, base, 8))
end proc:
g:= proc(n) local L; L:= convert(n, base, 8);
add(L[i]*10^(i-1), i=1..nops(L))
end proc:
map(g, select(filter, [seq(seq(i, i=8^j .. 2*8^j-1), j=1..5)])); # Robert Israel, Dec 25 2019

Crossrefs

Sequence in context: A084912 A336780 A217850 * A084918 A235719 A365583

Adjacent sequences: A023072 A023073 A023074 * A023076 A023077 A023078

Keyword

nonn,base

Author

David W. Wilson

Status

approved