Search: id:A135931
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%I A135931
%S A135931 2,3,17,19,23,37,41,43,47,67,71,73,79,83,89,97,101,103,107,109,113,149,
%T A135931 151,157,163,167,197,199,211,223,227,229,233,239,241,251,257,263,269,
%U A135931 271,277,281,283,331,337,347,349,353,359,401,409,419,421,431,433
%N A135931 Primes whose integer square root is not a prime.
%C A135931 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 A135931 Wikipedia, <a href="http://en.wikipedia.org/wiki/Integer_square_root">
               Integer square root</a>
%o A135931 (PARI) { forprime(p=2, 2000, isr = sqrtint(p); if (!isprime(isr), print1(p, 
               ",") ) ) }
%Y A135931 Sequence in context: A073125 A078201 A090913 this_sequence A051074 A051094 
               A154274
%Y A135931 Adjacent sequences: A135928 A135929 A135930 this_sequence A135932 A135933 
               A135934
%K A135931 nonn
%O A135931 1,1
%A A135931 Harry J. Smith (hjsmithh(AT)sbcglobal.net), Dec 07 2007

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