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A023075 k and 4k are anagrams in base 8 (written in base 8). 1

%I

%S 1024,1042,1463,10024,10042,10204,10240,10346,10402,10420,10634,12245,

%T 12425,14063,14306,14367,14603,14630,14637,14763,16347,16743,17024,

%U 17042,17463,100024,100042,100204,100240,100346,100402,100420,100634,102004

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

%H Robert Israel, <a href="/A023075/b023075.txt">Table of n, a(n) for n = 1..10000</a>

%p filter:= proc(n)

%p sort(convert(n,base,8))=sort(convert(4*n,base,8))

%p end proc:

%p g:= proc(n) local L; L:= convert(n,base,8);

%p add(L[i]*10^(i-1),i=1..nops(L))

%p end proc:

%p map(g, select(filter, [seq(seq(i,i=8^j .. 2*8^j-1),j=1..5)])); # _Robert Israel_, Dec 25 2019

%K nonn,base

%O 1,1

%A _David W. Wilson_

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Last modified May 25 04:56 EDT 2022. Contains 354048 sequences. (Running on oeis4.)