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
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 437: | \[L_{437}\] | 139 × 461 × 9349 × 133351074933356474419349<24> × 266146882200264269210394982818118404450063235825822769857949<60> |