%I #6 Mar 06 2013 08:58:01
%S 1,2,3,4,6,8,13,19,28,43,64,98,148,223,338,512,777,1177,1783,2703,
%T 4096,6209,9411,14264,21619,32768,49668,75282,114105,172951,262144,
%U 397337,602249,912839,1383605,2097152
%N Powers of fifth root of 8 rounded up.
%t Ceiling[Surd[8,5]^Range[0,40]] (* _Harvey P. Dale_, Mar 06 2013 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_.