Search: id:A133846
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%I A133846
%S A133846 1,1,1,1,1,1,1,3,5,7,11,19,31,111,195,283,465,831,1381,4969,8741,12697,
%T A133846 20885,37353,62101,223471,393121,571051,939331,1680031,2793151,10051203,
%U A133846 17681675,25684567,42248981,75564019,125629681,452080641,795282225
%N A133846 a(n)a(n-7)=a(n-1)a(n-6)+a(n-3)+a(n-4) with initial terms a(1)=...=a(7)=1.
%H A133846 P. Heideman and E. Hogan, <a href="http://arXiv.org/abs/0709.2529v1">
               A New Family of Somos-Like Recurrences</a>
%p A133846 a := proc(n) option remember; if n<=7 then RETURN(1); else RETURN((a(n-1)*a(n-6)+a(n-3)+a(n-4))/
               a(n-7)); fi; end;
%Y A133846 Sequence in context: A161423 A077858 A126116 this_sequence A060643 A025077 
               A130759
%Y A133846 Adjacent sequences: A133843 A133844 A133845 this_sequence A133847 A133848 
               A133849
%K A133846 easy,nonn
%O A133846 1,8
%A A133846 Emilie Hogan (eahogan(AT)math.rutgers.edu), Sep 26 2007

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