A058990 - OEIS

%I #2 Mar 30 2012 17:30:30

%S 2,4,256,2,2,16,2,8,32,2,32,4,268435456,32,8,

%T 3794275180128377091639574036764685364535950857523710002444946112771297432041422848,

%U 2,4951760157141521099596496896

%N Smallest power of two whose reversal of its n-th power is a prime.

%t Do[k = 2; While[ ! PrimeQ[ ToExpression[ StringReverse[ ToString[k^n] ] ] ], k *= 2]; Print[k], {n, 1, 18} ]

%K nonn,base

%O 1,1

%A _Robert G. Wilson v_, Jan 16 2001