A134075 - OEIS

%I #10 May 13 2013 01:54:09

%S 907,3019,5281,11689,16741,33329,241051,248063,382649,556819,852757,

%T 1104737,1372627,3122771,3590089,5482207,5870659,6505361,7059161,

%U 7753579,8751097,17452957,18080497,18261829,26184449,28633609,30561919,37544699,37762223

%N Primes of the form floor(Pi*p^2) where p is a prime.

%H Charles R Greathouse IV, <a href="/A134075/b134075.txt">Table of n, a(n) for n = 1..10000</a>

%e 17^2*Pi = 907.920... and 907 is prime.

%o (PARI) forprime(p=2,1e4,if(isprime(t=floor(Pi*p^2)),print1(p", "))) \\ _Charles R Greathouse IV_, Feb 15 2011

%Y Cf. A134076.

%K easy,nonn

%O 1,1

%A _Enoch Haga_, Oct 06 2007

%E Edited and corrected by _N. J. A. Sloane_, Oct 21, 2007