%I #6 May 26 2015 17:07:03
%S 1,3,5,10,19,40,83,173,361,754,1574,3286,6859,14321,29898,62421,
%T 130321,272084,568057,1185987,2476099,5169594,10793066,22533737,
%U 47045881,98222279,205068241,428140988,893871739
%N Powers of fourth root of 19 rounded up.
%t Ceiling[Surd[19,4]^Range[0,30]] (* _Harvey P. Dale_, May 26 2015 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_.