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%I #12 Sep 13 2023 07:26:15
%S 16,32,48,65,66,67,68,72,76,80,96,112,129,130,131,132,136,140,144,160,
%T 176,193,194,195,196,200,204,208,224,240,261,262,263,265,266,267,269,
%U 270,271,273,274,275,276,280,284,289,290,291
%N Numbers with exactly 2 0's in their base 4 expansion.
%H Seiichi Manyama, <a href="/A023707/b023707.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[ Range[ 320 ], (Count[ IntegerDigits[ #, 4 ], 0 ]==2)& ]
%K nonn,base,easy
%O 1,1
%A _Olivier Gérard_
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