%I
%S 7,47,337,2399,16787,117643,823541,5764799,40353601,282475241,
%T 1977326699,13841287199,96889010371,678223072817,4747561509941,
%U 33232930569577,232630513987171,1628413597910399,11398895185373051
%N Largest prime <= 7^n.
%o (PARI) g(n,b) = for(x=0,n,print1(precprime(b^x)","))
%K easy,nonn
%O 1,1
%A _Cino Hilliard_, Mar 03 2005
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