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%I #11 May 21 2023 12:22:13
%S 511,895,991,1015,1021,1279,1791,1855,1983,1999,2031,2035,2043,2044,
%T 2046,2559,2943,3039,3063,3069,3199,3295,3319,3325,3391,3519,3535,
%U 3567,3571,3579,3580,3582,3711,3807,3831,3837,3871
%N Numbers whose base-4 representation contains exactly one 1 and four 3's.
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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