%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_