Search: id:A074281
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%I A074281
%S A074281 41,281,90481,29134601,3020733700601,313195711516578281,
%T A074281 5280544535667472291277149119296546201,
%U A074281 547497418496144666543167613835090178297001
%N A074281 Primes of the form Lucas(2*n)/3.
%H A074281 R. Knott, <a href="http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/
               fibmaths.html#fibprimecarm">The Mathematics of the Fibonacci series</
               a>.
%H A074281 R. Knott, <a href="http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/
               fibpi.html#lucas">Pi and the Fibonacci Numbers</a>.
%e A074281 Lucas(2*5)=3*41, Lucas(2*7)=3*281, Lucas(2*13)=3*90481.
%Y A074281 Values of n are given in A074304.
%Y A074281 Sequence in context: A142768 A140013 A167741 this_sequence A090833 A154577 
               A002646
%Y A074281 Adjacent sequences: A074278 A074279 A074280 this_sequence A074282 A074283 
               A074284
%K A074281 nonn
%O A074281 1,1
%A A074281 Shane Findley (TTcreation(AT)aol.com), Sep 21 2002

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