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Numbers having one 0 in base 4.
0

%I #21 Apr 24 2021 01:59:56

%S 4,8,12,17,18,19,20,24,28,33,34,35,36,40,44,49,50,51,52,56,60,69,70,

%T 71,73,74,75,77,78,79,81,82,83,84,88,92,97,98,99,100,104,108,113,114,

%U 115,116,120,124,133,134,135,137,138,139,141,142

%N Numbers having one 0 in base 4.

%F A023706 \ {0}. - _R. J. Mathar_, Oct 20 2008

%t Select[Range[150],DigitCount[#,4,0]==1&] (* _Harvey P. Dale_, Jul 23 2011 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_