tables > lucas

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>

406: \[L_{406}\] 3 × 281 × 347 × 7307 × 1270083883 × 64690797641<11> × 23670698911880865758980387<26> × 1699025090503783326202175396329<31>

Index range: 406 – 406 << prev next >>