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%I A135933
%S A135933 2,5,13,17,29,31,37,53,59,61,73,79,89,97,101,109,127,131,137,139,173,
%T A135933 179,181,191,193,197,211,223,229,233,239,241,251,257,271,277,281,283,
%U A135933 293,307,311,313,317,349,359,367,373,379,383,389,397,401,409,421,433
%N A135933 Primes whose integer square root remainder is not a prime.
%C A135933 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 A135933 Wikipedia, <a href="http://en.wikipedia.org/wiki/Integer_square_root">
               Integer square root</a>
%o A135933 (PARI) { forprime(p=2, 2000, isr = sqrtint(p); Rem = p - isr*isr; if 
               (!isprime(Rem), print1(p, ",") ) ) }
%Y A135933 Sequence in context: A019362 A075451 A109515 this_sequence A086807 A002313 
               A160215
%Y A135933 Adjacent sequences: A135930 A135931 A135932 this_sequence A135934 A135935 
               A135936
%K A135933 nonn
%O A135933 1,1
%A A135933 Harry J. Smith (hjsmithh(AT)sbcglobal.net), Dec 07 2007

    
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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