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>

1243: \[L_{1243}\] 199 × 1463602669 × 412670427844921037470771<24> × 888174765356638179849076154945422556835965202792747365012700073587419<69> × 553679932585226993132070129412838081408207313715631726992923080052930406096414727267580235779740042484806357307377751288851157337771671467714764883724510191<156>

Index range: 1243 – 1243 << prev next >>