Search: id:A131719
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%I A131719
%S A131719 0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,
%T A131719 0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0
%N A131719 Period 6: repeat 0, 1, 1, 1, 1, 0.
%F A131719 a(n)=(1/90)*{4*(n mod 6)+19*[(n+1) mod 6]+4*[(n+2) mod 6]+4*[(n+3) mod 
               6]+4*[(n+4) mod 6]-11*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), 
               Oct 02 2007
%F A131719 G.f.: -(x^2+1)*x/(x-1)/(x^2+x+1)/(x^2-x+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Nov 14 2007
%Y A131719 Sequence in context: A102460 A080908 A131720 this_sequence A100656 A053867 
               A069513
%Y A131719 Adjacent sequences: A131716 A131717 A131718 this_sequence A131720 A131721 
               A131722
%K A131719 nonn
%O A131719 0,1
%A A131719 Paul Curtz (bpcrtz(AT)free.fr), Sep 15 2007

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