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Skinny numbers (A061909) containing no 3's.
1

%I #13 Dec 13 2012 12:27:37

%S 0,1,2,10,11,12,20,21,22,100,101,102,110,111,112,120,121,122,200,201,

%T 202,210,211,212,220,221,1000,1001,1002,1010,1011,1012,1020,1021,1022,

%U 1100,1101,1102,1110,1111,1112,1120,1121,1122,1200,1201,1202,1210,1211,1212

%N Skinny numbers (A061909) containing no 3's.

%C a(n) first differs from A007089(n-1) at a(27) = 1000, which does not equal 222 = A007089(26). - _Jason Kimberley_, Dec 13 2012

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

%K nonn,base,easy

%O 1,3

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