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%I #13 Jul 24 2021 06:04:14
%S 1023,10023,10113,10230,10233,10323,100023,100113,100230,100233,
%T 100323,101130,101133,101232,102300,102330,102333,103230,103233,
%U 103323,1000023,1000113,1000230,1000233,1000323,1001130,1001133,1001232,1002300,1002330
%N Numbers k such that k and 3*k are anagrams in base 4 (written in base 4).
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _David W. Wilson_
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