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%I #9 Apr 25 2021 01:26:07
%S 66430,66431,66435,66436,66439,66440,66441,66443,66477,66479,66480,
%T 66481,66484,66485,66489,66490,66511,66512,66516,66517,66520,66521,
%U 66522,66524,66531,66533,66534,66535,66547,66548
%N Numbers whose base-3 representation has exactly 11 runs.
%Y Cf. A007089.
%K nonn,base
%O 1,1
%A _Clark Kimberling_