A018096 - OEIS

%I #6 Jul 05 2013 08:58:16

%S 1,2,4,8,18,37,76,157,324,667,1374,2831,5832,12012,24743,50964,104976,

%T 216226,445375,917369,1889568,3892070,8016758,16512654,34012224,

%U 70057261,144301645,297227788,612220032

%N Powers of fourth root of 18 rounded down.

%t Floor[Surd[18,4]^Range[0,30]] (* _Harvey P. Dale_, Jul 05 2013 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_.