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Lucas Sequence

Defined with \(L_0=2\), \(L_1=1\), and \(L_n=L_{n-1}+L_{n-2}\) when \(n\geq2\). Related to the Fibonacci sequence.

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 2776: \[L_{2776}\] 47 × 1204783 × 2998081 × 4835903041<10> × 2012153946767<13> × 2671356536929<13> × [3198664112242649132532045360095802090353945313991597936996936662805416906229747068820522678555907175954934674961791557199754257392620247176857272159971388626423608543773264630138751757393382047270373174438722646540998034029103800789333395608655057189904837950005491855924998714967814961398952826906531734902832762704533961444956309101449641557760008529908404087196397011420037790695435606732074216147964489167497369360525193378010253546234142843359054059631748570121641257517481093839989253154005563735191288495217512453880010043169<532>]

Index range: 2776 – 2776 << prev next >>