Search: id:A139792
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%I A139792
%S A139792 1,11,171,2731,43691,699051,11184811,178956971,2863311531,45812984491
%N A139792 First quadrisection of A139763 (1, 2, 3, 4, 11).
%F A139792 a(n)=16a(n-1)-5. Also a(n)=10*A131865(n)+1.
%F A139792 a(n)=(1/3)*(1+2*16^n), with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 
               19 2008
%Y A139792 Sequence in context: A157944 A167245 A064182 this_sequence A025758 A141955 
               A133243
%Y A139792 Adjacent sequences: A139789 A139790 A139791 this_sequence A139793 A139794 
               A139795
%K A139792 nonn
%O A139792 0,2
%A A139792 Paul Curtz (bpcrtz(AT)free.fr), May 21 2008

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