A043601 - OEIS

%I #9 Apr 25 2021 01:24:33

%S 279620,279622,279623,279624,279625,279627,279628,279629,279630,

%T 279649,279650,279651,279652,279654,279655,279660,279661,279662,

%U 279665,279666,279667,279668,279670,279671,279672,279673,279675

%N Numbers whose base-4 representation has exactly 10 runs.

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_