Search: id:A063642
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%I A063642
%S A063642 29,47,101,107,127,149,167,173,197,233,257,263,277,281,347,359,389,401,
%T A063642 431,457,467,479,509,541,557,563,577,607,617,641,647,653,659,727,743,
%U A063642 761,797,863,887,911,929,937,971,983,1019,1087,1097,1129,1181,1187
%N A063642 Primes of form p*q*r + 2, where p, q and r are primes.
%H A063642 Harry J. Smith, <a href="b063642.txt">Table of n, a(n) for n=1,...,1000</
               a>
%o A063642 (PARI) { n=0; for (m=2, 10^9, p=prime(m); if (bigomega(p - 2) == 3, write("b063642.txt", 
               n++, " ", p); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Aug 26 2009]
%Y A063642 A014612, A063640.
%Y A063642 Sequence in context: A138052 A119891 A106754 this_sequence A108258 A142728 
               A042947
%Y A063642 Adjacent sequences: A063639 A063640 A063641 this_sequence A063643 A063644 
               A063645
%K A063642 nonn
%O A063642 1,1
%A A063642 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 21 2001

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