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Numbers whose base-4 representation contains exactly three 0's and no 2's.
0

%I #8 May 27 2023 20:36:53

%S 64,192,257,259,260,268,272,304,320,448,769,771,772,780,784,816,832,

%T 960,1029,1031,1037,1039,1041,1043,1044,1052,1073,1075,1076,1084,1089,

%U 1091,1092,1100,1104,1136,1217,1219,1220,1228,1232

%N Numbers whose base-4 representation contains exactly three 0's and no 2's.

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_