Search: id:A016105
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%I A016105
%S A016105 21,33,57,69,77,93,129,133,141,161,177,201,209,213,217,237,249,253,301,
%T A016105 309,321,329,341,381,393,413,417,437,453,469,473,489,497,501,517,537,
%U A016105 553,573,581,589,597,633,649,669,681,713,717,721,737,749,753,781,789
%N A016105 Blum numbers: of form P*Q where P&Q are distinct primes congruent to 
               3 (mod 4).
%C A016105 A subset of A084109. - Ralf Stephan and David W. Wilson, Apr 17 2005.
%H A016105 T. D. Noe, <a href="b016105.txt">Table of n, a(n) for n=1..1000</a>
%Y A016105 Sequence in context: A026068 A070006 A084109 this_sequence A032603 A128283 
               A033901
%Y A016105 Adjacent sequences: A016102 A016103 A016104 this_sequence A016106 A016107 
               A016108
%K A016105 nonn,easy,nice
%O A016105 1,1
%A A016105 Robert G. Wilson v (rgwv(AT)rgwv.com)
%E A016105 More terms from Erich Friedman (erich.friedman(AT)stetson.edu).

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