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Numbers whose base-4 representation contains exactly one 0 and four 3's.
0

%I #9 May 24 2023 04:01:17

%S 831,975,1011,1020,1279,1855,1999,2035,2044,2303,2879,3023,3059,3068,

%T 3199,3263,3295,3311,3319,3323,3325,3326,3391,3535,3571,3580,3647,

%U 3791,3827,3836,3871,3887,3895,3899,3901,3902,3919

%N Numbers whose base-4 representation contains exactly one 0 and four 3's.

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_