Search: id:A135932
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%I A135932
%S A135932 3,7,11,19,23,41,43,47,67,71,83,103,107,113,149,151,157,163,167,199,227,
%T A135932 263,269,331,337,347,353,419,431,443,487,491,503,521,587,593,599,607,
%U A135932 613,617,619,683,719,787,797,821,827,907,911,919,929,937,941,947
%N A135932 Primes whose integer square root remainder is also prime.
%C A135932 The integer square root of an integer x >= 0 can be defined as floor(sqrt(x)) 
               and the remainder of this as x - (floor(sqrt(x)))^2.
%H A135932 Wikipedia, <a href="http://en.wikipedia.org/wiki/Integer_square_root">
               Integer square root</a>
%o A135932 (PARI) { forprime(p=2, 2000, isr = sqrtint(p); Rem = p - isr*isr; if 
               (isprime(Rem), print1(p, ",") ) ) }
%Y A135932 Sequence in context: A117991 A118260 A018805 this_sequence A105876 A141101 
               A098379
%Y A135932 Adjacent sequences: A135929 A135930 A135931 this_sequence A135933 A135934 
               A135935
%K A135932 nonn
%O A135932 1,1
%A A135932 Harry J. Smith (hjsmithh(AT)sbcglobal.net), Dec 07 2007

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