A169939 - OEIS

%I #4 Mar 30 2012 16:51:46

%S 0,1,3,10,11,13,30,31,100,101,103,110,111,113,130,300,301,310,311,

%T 1000,1001,1003,1010,1011,1013,1030,1031,1100,1101,1103,1110,1111,

%U 1113,1130,1300,1301,3000,3001,3010,3011,3100,3101,3110,3111,10000,10001,10003,10010

%N Skinny numbers (A061909) containing no 2's.

%H <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>

%K nonn,base

%O 1,3

%A _N. J. A. Sloane_, Jul 29 2010