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%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_.
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