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%I #8 Jun 05 2016 10:23:35
%S 0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,
%T 8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,
%U 2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2,9,8,7,0,1,2
%N Decimal expansion of 1/77.
%F From _Chai Wah Wu_, Jun 05 2016: (Start)
%F a(n) = a(n-1) - a(n-3) + a(n-4) for n > 3.
%F G.f.: x*(1 + x + 7*x^2)/(1 - x + x^3 - x^4). (End)
%K nonn,easy,cons
%O 0,3
%A _N. J. A. Sloane_.
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