A043645 - OEIS

%I #9 Apr 25 2021 12:11:00

%S 11,13,14,15,16,17,18,19,20,21,22,23,25,26,27,28,29,30,31,32,33,34,35,

%T 37,38,39,40,41,42,43,44,45,46,47,49,50,51,52,53,54,55,56,57,58,59,61,

%U 62,63,64,65,66,67,68,69,70,71,73,74,75,76

%N Numbers whose base-11 representation has exactly 2 runs.

%K nonn,base

%O 1,1

%A _Clark Kimberling_