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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>

1393: \[L_{1393}\] 29 × 2389 × 4503769 × 4804208353284206950118310311<28> × 36036960414811969810787847118289<32> × 24390608009982137629616844004390306887585179208765381746467825591094966174047395689485283021807560720395886073619364443233120627580367892501842018558764837123249481106517495998875025432885854018555493913483918533344761791<221>

Index range: 1393 – 1393 << prev next >>