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A044987 Numbers k whose base-3 representation has four 0's and two 1's. 0

%I

%S 244,246,252,270,324,734,736,740,744,748,750,758,762,774,784,786,792,

%T 812,816,828,864,892,894,900,918,974,978,990,1026,1134,1216,1218,1224,

%U 1242,1296,1462,1468,1470,1486,1488,1494,1540

%N Numbers k whose base-3 representation has four 0's and two 1's.

%e 244 is a term because 244_10 = 100001_3.

%t okQ[n_]:=DigitCount[n,3,0]==4&&DigitCount[n,3,1]==2; Select[Range[2000],okQ] (* _Harvey P. Dale_, Jan 30 2011 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified August 15 15:55 EDT 2022. Contains 356148 sequences. (Running on oeis4.)