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Primes of the form floor((8/7)^k).
2

%I #15 Feb 14 2015 17:05:14

%S 2,3,5,7,11,71,107,139,311,607,2309,5881,7681,8779,56929,74357,84979,

%T 4667387,5334157,20276141,26483123,2171218163,10779703787,

%U 9776786310757,48539968117013,108156137341297

%N Primes of the form floor((8/7)^k).

%H Charles R Greathouse IV, <a href="/A067909/b067909.txt">Table of n, a(n) for n = 1..57</a>

%t Union[Select[Floor[(8/7)^Range[300]],PrimeQ]] (* _Harvey P. Dale_, Feb 02 2011 *)

%o (PARI) for(n=1, 15157, if(ispseudoprime(t=(n)->floor((8/7)^n)), print1(t", "))); v \\ _Charles R Greathouse IV_, Feb 17 2011

%K nonn

%O 1,1

%A _Benoit Cloitre_, Mar 03 2002