%I #4 Mar 30 2012 16:48:46

%S 1,2,2,3,3,6,6,12,18,32,52,100,171,322,589,1103,2049,3877,7281,13830,

%T 26221,49982,95326,182470,349523,671260,1290573,2485827,4793491,

%U 9257016,17895680,34637936,67108917,130152543,252645143,490857374

%N Inverse Moebius transform of A000048 (starting at term 0).

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Apr 29 2000