%I A131870
%S A131870 1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,
%T A131870 4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,
%U A131870 8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1,2,3,4,6,7,8,9,1
%N A131870 Period 8: repeat 1, 2, 3, 4, 6, 7, 8, 9.
%C A131870 Terms of the simple continued fraction of 1562/[3*sqrt(6536374)-6580]. 
               [From Paolo P. Lava (ppl(AT)spl.at), Aug 06 2009]
%F A131870 a(n)=(1/56)*{66*(n mod 8)+3*[(n+1) mod 8]+3*[(n+2) mod 8]+3*[(n+3) mod 
               8]-4*[(n+4) mod 8]+3*[(n+5) mod 8]+3*[(n+6) mod 8]+3*[(n+7) mod 8]}, 
               with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Oct 08 2007
%Y A131870 Cf. A071789.
%Y A131870 Sequence in context: A089884 A086163 A071789 this_sequence A004724 A099260 
               A053241
%Y A131870 Adjacent sequences: A131867 A131868 A131869 this_sequence A131871 A131872 
               A131873
%K A131870 nonn
%O A131870 0,2
%A A131870 Paul Curtz (bpcrtz(AT)free.fr), Oct 05 2007