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[" If "alpha,beta" are the roots of "x^(2)+x+1=0],[" and "S_(n)=alpha^(n)+beta^(n)" then "],[[3,1+S_(1),1+S_(2)],[1+S_(1),1+S_(2),1+S_(3)],[1+S_(2),1+S_(3),1+S_(4)]|=]

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