%I #18 Aug 14 2021 02:16:46
%S 5,10,15,21,42,63,80,85,90,95,160,165,170,175,240,245,250,255,320,336,
%T 341,346,351,362,383,640,661,672,677,682,687,703,960,981,1002,1008,
%U 1013,1018,1023,1280,1285,1290,1295,1344,1360,1365
%N Numbers whose base-4 expansion has no run of digits with length < 2.
%H Vincenzo Librandi, <a href="/A033017/b033017.txt">Table of n, a(n) for n = 1..1600</a>
%t Select[Range[1400],Min[Length/@Split[IntegerDigits[#,4]]]>1&] (* _Harvey P. Dale_, Jun 05 2013 *)
%Y Cf. A007090. Supersequence of A033002.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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