A039282 - OEIS

%I #14 Mar 11 2023 09:53:48

%S 11,14,27,30,35,39,44,45,50,54,56,57,75,78,91,94,99,103,108,109,114,

%T 118,120,121,131,135,140,141,147,151,156,157,175,176,177,180,181,187,

%U 190,194,198,200,201,210,214,216,217,224,225,228,229,235,238,250,267

%N Numbers whose base-4 representation has the same nonzero number of 2's and 3's.

%t Select[Range[300],DigitCount[#,4,2]==DigitCount[#,4,3]>0&] (* _Harvey P. Dale_, Mar 11 2023 *)

%Y Cf. A007090.

%K nonn,base,easy

%O 1,1

%A _Olivier Gérard_