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>

* 2146: \[L_{2146}\] 3 × 347 × 11987 × 317609 × 467827 × 1270083883 × 81143477963<11> × 3250429307593007282721544419107<31> × [49466354972587334849030526284043571032245021975135725669035971969862307418536052607632930863506827265305082305010371323539904317645958261383111065285028239247381383332788680273758657587792960405272935765126985207936237993174010255669883045878402580548988472371844874705258140618864363178763266221307851715823577546615476128148772014143438922173350985557117569166330464234088630401<380>]

Index range: 2146 – 2146 << prev next >>