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A104089 Largest prime <= 4^n. 1

%I

%S 3,13,61,251,1021,4093,16381,65521,262139,1048573,4194301,16777213,

%T 67108859,268435399,1073741789,4294967291,17179869143,68719476731,

%U 274877906899,1099511627689,4398046511093,17592186044399,70368744177643

%N Largest prime <= 4^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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Last modified February 6 10:18 EST 2023. Contains 360104 sequences. (Running on oeis4.)