%I #6 Oct 16 2013 14:16:29
%S 1,2,4,7,13,23,44,81,151,283,529,991,1855,3472,6499,12167,22779,42646,
%T 79840,149475,279841,523911,980850,1836319,3437903,6436343,12049937,
%U 22559544,42235330,79071768,148035889
%N Powers of fifth root of 23 rounded up.
%t Ceiling[Surd[23,5]^Range[0,30]] (* _Harvey P. Dale_, Oct 16 2013 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_.