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%I #12 Oct 05 2019 04:54:04
%S 1,256,309485009821345068724781056,4096,
%T 5192296858534827628530496329220096,65536,72057594037927936,
%U 83076749736557242056487941267521536,91343852333181432387730302044767688728495783936,1048576
%N Smallest power of 16 that begins with n.
%t Join[{1},Flatten[Table[Select[16^Range[50],Take[IntegerDigits[#], IntegerLength[ n]] == IntegerDigits[n]&,1],{n,0,20}]]] (* _Harvey P. Dale_, Feb 21 2013 *)
%Y Cf. A001025, A180697, A180700, A180701.
%K nonn,base
%O 1,2
%A _Daniel Mondot_, Sep 18 2010
%E More terms from _Harvey P. Dale_, Feb 21 2013