%I #7 Dec 23 2020 17:11:47
%S 1,1,2,2,5,4,13,16,33,53,107,178,351,617,1174,2172,4115,7671,14601,
%T 27534,52472,99771,190745,364520,699246,1341831,2581392,4970434,
%U 9587579,18511552,35792567,69271476,134219686,260297059,505294109
%N Moebius transform of A000031 (starting at term 0).
%Y Cf. A054058.
%K nonn
%O 0,3
%A _N. J. A. Sloane_, Apr 29 2000